Questions as text
Q1 · Which fact about crude oil shows that it is a mixture? 0653/11 Oct/Nov 2005
14 Which fact about crude oil shows that it is a mixture? A Crude oil can be burned as a fuel. B Crude oil can be separated into fractions by distillation. C Crude oil is a fossil fuel formed over millions of years. D Crude oil is a thick, black liquid.
1 marks
Answer: B
This question in 0653/11 Oct/Nov 2005
Q2 · Which substance is an element? 0653/11 Oct/Nov 2006
14 Which substance is an element? A air B brass C iron D water
1 marks
Answer: C
This question in 0653/11 Oct/Nov 2006
Q3 · Which two elements form covalent bonds when they combine with each other? 0653/11 May/June 2007
15 Which two elements form covalent bonds when they combine with each other? A calcium and oxygen B hydrogen and oxygen C magnesium and chlorine D sodium and chlorine
1 marks
Answer: B
This question in 0653/11 May/June 2007
Q4 · The diagrams show molecules of four gases present in clean air 0653/11 Oct/Nov 2007
20 The diagrams show molecules of four gases present in clean air. Different circles represent atoms of different elements. Which elements could be shown as ? A hydrogen nitrogen B hydrogen oxygen C oxygen hydrogen D oxygen nitrogen
1 marks
Answer: D
This question in 0653/11 Oct/Nov 2007
Q5 · On heating iron and sulphur together, the mixture starts to glow 0653/11 Oct/Nov 2008
15 On heating iron and sulphur together, the mixture starts to glow. The glow then continues even when the heating is stopped. In this reaction, ……1…… heat is given out and a new ……2…… is formed. Which words correctly complete gaps 1 and 2? 1 2 A no element B no compound C some element D some compound
1 marks
Answer: D
This question in 0653/11 Oct/Nov 2008
Q6 · Which formula contains the most elements? 0653/11 Oct/Nov 2008
18 Which formula contains the most elements? A NaOH B Rb2S C SiCl 4 D SnO2
1 marks
Answer: A
This question in 0653/11 Oct/Nov 2008
Q7 · Diagrams X, Y and Z represent three different substances 0653/11 May/June 2009
14 Diagrams X, Y and Z represent three different substances. X Y Z atom of element P atom of element Q Which row in the table correctly describes X, Y and Z? X Y Z A compound element mixture B compound mixture element C mixture element compound D mixture compound element
1 marks
Answer: D
This question in 0653/11 May/June 2009
Q8 · Which diagram represents a mixture of elements? 0653/11 May/June 2010
14 Which diagram represents a mixture of elements? A B C D key atom of element X atom of element Y
1 marks
Answer: B
This question in 0653/11 May/June 2010
Q9 · Which diagram represents a mixture of elements? 0653/12 May/June 2010
17 Which diagram represents a mixture of elements? A B C D key atom of element X atom of element Y
1 marks
Answer: B
This question in 0653/12 May/June 2010
Q10 · Which diagram represents a mixture of elements? 0653/13 May/June 2010
17 Which diagram represents a mixture of elements? A B C D key atom of element X atom of element Y
1 marks
Answer: B
This question in 0653/13 May/June 2010
Q11 · Three students make statements about the differences between elements, compounds and… 0653/11 Oct/Nov 2010
14 Three students make statements about the differences between elements, compounds and mixtures. Student 1 All elements exist only as atoms and not molecules. Student 2 Compounds contain at least two elements. Student 3 Mixtures consist only of compounds. Which students are correct? A 1 only B 2 only C 3 only D 1, 2 and 3
1 marks
Answer: B
This question in 0653/11 Oct/Nov 2010
Q12 · Crude oil (petroleum) is heated, using the apparatus shown 0653/11 Oct/Nov 2010
27 Crude oil (petroleum) is heated, using the apparatus shown. Four fractions, with different boiling point ranges, are collected. thermometer crude oil heat water fraction Which term best describes crude oil? A a compound B an element C a mixture D a plastic
1 marks
Answer: C
This question in 0653/11 Oct/Nov 2010
Q13 · Three students make statements about the differences between elements, compounds and… 0653/12 Oct/Nov 2010
16 Three students make statements about the differences between elements, compounds and mixtures. Student 1 All elements exist only as atoms and not molecules. Student 2 Compounds contain at least two elements. Student 3 Mixtures consist only of compounds. Which students are correct? A 1 only B 2 only C 3 only D 1, 2 and 3
1 marks
Answer: B
This question in 0653/12 Oct/Nov 2010
Q14 · Crude oil (petroleum) is heated, using the apparatus shown 0653/12 Oct/Nov 2010
25 Crude oil (petroleum) is heated, using the apparatus shown. Four fractions, with different boiling point ranges, are collected. thermometer crude oil heat water fraction Which term best describes crude oil? A a compound B an element C a mixture D a plastic
1 marks
Answer: C
This question in 0653/12 Oct/Nov 2010
Q15 · Three students make statements about the differences between elements, compounds and… 0653/13 Oct/Nov 2010
15 Three students make statements about the differences between elements, compounds and mixtures. Student 1 All elements exist only as atoms and not molecules. Student 2 Compounds contain at least two elements. Student 3 Mixtures consist only of compounds. Which students are correct? A 1 only B 2 only C 3 only D 1, 2 and 3
1 marks
Answer: B
This question in 0653/13 Oct/Nov 2010
Q16 · The diagrams show four different mixtures of gases 0653/11 May/June 2011
16 The diagrams show four different mixtures of gases. Which diagram represents a mixture containing only elements? A B C D key different types of atom
1 marks
Answer: C
This question in 0653/11 May/June 2011
Q17 · The diagrams show four different mixtures of gases 0653/12 May/June 2011
14 The diagrams show four different mixtures of gases. Which diagram represents a mixture containing only elements? A B C D key different types of atom
1 marks
Answer: C
This question in 0653/12 May/June 2011
Q18 · A model of a molecule is shown 0653/11 Oct/Nov 2011
15 A model of a molecule is shown. key = hydrogen = nitrogen Which description and formula are correct for this molecule? description formula A compound NH2 B compound N2H4 C mixture NH2 D mixture N2H4
1 marks
Answer: B
This question in 0653/11 Oct/Nov 2011
Q19 · A model of a molecule is shown 0653/12 Oct/Nov 2011
14 A model of a molecule is shown. key = hydrogen = nitrogen Which description and formula are correct for this molecule? description formula A compound NH2 B compound N2H4 C mixture NH2 D mixture N2H4
1 marks
Answer: B
This question in 0653/12 Oct/Nov 2011
Q20 · A model of a molecule is shown 0653/13 Oct/Nov 2011
15 A model of a molecule is shown. key = hydrogen = nitrogen Which description and formula are correct for this molecule? description formula A compound NH2 B compound N2H4 C mixture NH2 D mixture N2H4
1 marks
Answer: B
This question in 0653/13 Oct/Nov 2011
Q21 · The diagrams show molecules of four gases present in clean air 0653/11 May/June 2012
25 The diagrams show molecules of four gases present in clean air. Different circles represent atoms of different elements. Which elements are shown as and ? A hydrogen nitrogen B hydrogen oxygen C oxygen hydrogen D oxygen nitrogen
1 marks
This question in 0653/11 May/June 2012
Q22 · Four minerals containing calcium are listed 0653/12 May/June 2012
16 Four minerals containing calcium are listed. mineral chemical formula calcite CaCO3 dolomite CaCO3.MgCO3 fluorite CaF2 gypsum CaSO4 What is the total number of different elements contained in these minerals? A 4 B 5 C 6 D 7
1 marks
Answer: C
This question in 0653/12 May/June 2012
Q23 · The diagrams show molecules of four gases present in clean air 0653/12 May/June 2012
25 The diagrams show molecules of four gases present in clean air. Different circles represent atoms of different elements. Which elements are shown as and ? A hydrogen nitrogen B hydrogen oxygen C oxygen hydrogen D oxygen nitrogen
1 marks
Answer: D
This question in 0653/12 May/June 2012
Q24 · Four minerals containing calcium are listed 0653/13 May/June 2012
16 Four minerals containing calcium are listed. mineral chemical formula calcite CaCO3 dolomite CaCO3.MgCO3 fluorite CaF2 gypsum CaSO4 What is the total number of different elements contained in these minerals? A 4 B 5 C 6 D 7
1 marks
Answer: C
This question in 0653/13 May/June 2012
Q25 · The reaction of zinc and sulfur to form zinc sulfide is exothermic 0653/12 May/June 2013
16 The reaction of zinc and sulfur to form zinc sulfide is exothermic. Which information in the table is correct? energy change elements in during the formation of zinc sulfide zinc sulfide A difficult to separate heat given out B difficult to separate heat taken in C easy to separate heat given out D easy to separate heat taken in
1 marks
Answer: A
This question in 0653/12 May/June 2013
Q26 · The diagram shows the particles in a mixture of gases 0653/12 May/June 2013
21 The diagram shows the particles in a mixture of gases. Which statement is not correct? A There are two different types of atom in the box. B There are three different compounds in the box. C There are three different types of molecule in the box. D There are six molecules in the box.
1 marks
Answer: B
This question in 0653/12 May/June 2013
Q27 · The diagrams represent the particles in substances X, Y and Z 0653/13 May/June 2013
21 The diagrams represent the particles in substances X, Y and Z. X Y Z Which row correctly identifies X, Y and Z as an element, a compound or a mixture? element compound mixture A X Y Z B Y Z X C Z X Y D Z Y X
1 marks
Answer: D
This question in 0653/13 May/June 2013
Q28 · In the diagrams below, and represent different atoms 0653/11 Oct/Nov 2013
20 In the diagrams below, and represent different atoms. Which diagram represents molecules of a single compound? A B C D
1 marks
Answer: D
This question in 0653/11 Oct/Nov 2013
Q29 · In the diagrams below, and represent different atoms 0653/12 Oct/Nov 2013
20 In the diagrams below, and represent different atoms. Which diagram represents molecules of a single compound? A B C D
1 marks
Answer: D
This question in 0653/12 Oct/Nov 2013
Q30 · The table shows the formulae of three substances 0653/11 May/June 2014
14 The table shows the formulae of three substances. substance formula methane CH4 water H2O oxygen O2 Which statement is correct? A Methane is made from five types of atom. B Methane, water and oxygen are molecules. C Only methane and water are molecules. D Oxygen is made from two types of atom.
1 marks
Answer: B
This question in 0653/11 May/June 2014
Q31 · The diagrams represent different substances 0653/12 May/June 2014
16 The diagrams represent different substances. P Q R S T Which row correctly identifies the type of substance? an element a compound a mixture A P R Q B Q S P C S Q R D T P S
1 marks
Answer: C
This question in 0653/12 May/June 2014
Q32 · The table shows the formulae of three substances 0653/13 May/June 2014
14 The table shows the formulae of three substances. substance formula methane CH4 water H2O oxygen O2 Which statement is correct? A Methane is made from five types of atom. B Methane, water and oxygen are molecules. C Only methane and water are molecules. D Oxygen is made from two types of atom.
1 marks
Answer: B
This question in 0653/13 May/June 2014
Q33 · The diagrams represent different substances 0653/11 Oct/Nov 2014
19 The diagrams represent different substances. P Q R S T Which row correctly describes the substances? only separate mixture of atoms only molecules atoms and molecules A P Q S B Q T R C T P R D T Q P
1 marks
Answer: A
This question in 0653/11 Oct/Nov 2014
Q34 · The diagrams represent different substances 0653/12 Oct/Nov 2014
18 The diagrams represent different substances. P Q R S T Which row correctly describes the substances? only separate mixture of atoms only molecules atoms and molecules A P Q S B Q T R C T P R D T Q P
1 marks
Answer: A
This question in 0653/12 Oct/Nov 2014
Q35 · The formulae of two minerals are given below 0653/13 Oct/Nov 2014
15 The formulae of two minerals are given below. name of mineral formula andalusite Al2SiO5 olivine Fe2Mg2SiO4 Which statement about the formulae of andalusite and olivine is correct? A They contain the same metals. B They contain the same number of oxygen atoms. C They contain the same number of silicon atoms. D They contain the same total number of atoms.
1 marks
Answer: C
This question in 0653/13 Oct/Nov 2014
Q36 · Which statement about atoms and molecules is correct? 0653/11 Oct/Nov 2015
14 Which statement about atoms and molecules is correct? A Atoms gain or lose electrons to become molecules. B Atoms of the same element contain the same number of molecules. C Molecules are the simplest unit of an atom. D Molecules contain atoms which are covalently bonded.
1 marks
Answer: D
This question in 0653/11 Oct/Nov 2015
Q37 · And represent atoms of two different elements 0653/12 Oct/Nov 2015
14 and represent atoms of two different elements. X Y Which diagram represents molecules? A B C D Y Y Y Y Y Y Y X X X Y X Y X X X X Y Y Y Y Y Y Y Y X X X Y X Y X Y X X Y Y Y Y Y Y Y X X Y X Y X Y X Y Y Y Y Y Y Y X X X Y X Y X Y X Y Y Y Y Y Y Y
1 marks
Answer: C
This question in 0653/12 Oct/Nov 2015
Q38 · The diagram represents a mixture of carbon dioxide, CO2, and carbon monoxide, CO 0653/13 Oct/Nov 2015
14 The diagram represents a mixture of carbon dioxide, CO2, and carbon monoxide, CO. Which statement is correct? A The mixture contains 4 elements. B The mixture contains 4 molecules. C The mixture contains 11 elements. D The mixture contains 11 molecules.
1 marks
Answer: B
This question in 0653/13 Oct/Nov 2015
Q39 · The apparatus used to remove sand from a mixture of salt and sand is shown 0653/11 May/June 2016
14 The apparatus used to remove sand from a mixture of salt and sand is shown. funnel filter paper stirrer water salt and sand beaker 1 beaker 2 The contents of beaker 1 are stirred and then poured into the funnel above beaker 2. What is in beaker 2? A a mixture of an element and a compound B a mixture of two compounds C one compound only D one element only
1 marks
Answer: B
This question in 0653/11 May/June 2016
Q40 · Which types of substance do the chemical symbols C, CO2 and O2 represent? 0653/11 May/June 2016
15 Which types of substance do the chemical symbols C, CO2 and O2 represent? C CO2 O2 A compound compound element B compound element compound C element compound element D element element compound
1 marks
Answer: C
This question in 0653/11 May/June 2016
Q41 · The apparatus used to remove sand from a mixture of salt and sand is shown 0653/12 May/June 2016
14 The apparatus used to remove sand from a mixture of salt and sand is shown. funnel filter paper stirrer water salt and sand beaker 1 beaker 2 The contents of beaker 1 are stirred and then poured into the funnel above beaker 2. What is in beaker 2? A a mixture of an element and a compound B a mixture of two compounds C one compound only D one element only
1 marks
Answer: B
This question in 0653/12 May/June 2016
Q42 · A model of a molecule is shown 0653/12 May/June 2016
16 A model of a molecule is shown. key hydrogen sulfur Which row describes this molecule? type of formula substance A HS compound B HS mixture C H2S2 compound D H2S2 mixture
1 marks
Answer: C
This question in 0653/12 May/June 2016
Q43 · The apparatus used to remove sand from a mixture of salt and sand is shown 0653/13 May/June 2016
14 The apparatus used to remove sand from a mixture of salt and sand is shown. funnel filter paper stirrer water salt and sand beaker 1 beaker 2 The contents of beaker 1 are stirred and then poured into the funnel above beaker 2. What is in beaker 2? A a mixture of an element and a compound B a mixture of two compounds C one compound only D one element only
1 marks
Answer: B
This question in 0653/13 May/June 2016
Q44 · Which row describes an element and a compound? 0653/13 May/June 2016
15 Which row describes an element and a compound? an element a compound A contains more than contains elements one type of atom chemically combined B contains more than contains elements one type of atom mixed together C contains only one contains elements type of atom chemically combined D contains only one contains elements type of atom mixed together
1 marks
Answer: C
This question in 0653/13 May/June 2016
Q45 · The diagrams show four different mixtures of gases 0653/11 Oct/Nov 2016
14 The diagrams show four different mixtures of gases. Which diagram represents a mixture containing only elements? A B C D key different types of atom
1 marks
Answer: C
This question in 0653/11 Oct/Nov 2016
Q46 · The diagrams show four different mixtures of gases 0653/12 Oct/Nov 2016
14 The diagrams show four different mixtures of gases. Which diagram represents a mixture containing only elements? A B C D key different types of atom
1 marks
Answer: C
This question in 0653/12 Oct/Nov 2016
Q47 · The diagrams show four different mixtures of gases 0653/13 Oct/Nov 2016
14 The diagrams show four different mixtures of gases. Which diagram represents a mixture containing only elements? A B C D key different types of atom
1 marks
Answer: C
This question in 0653/13 Oct/Nov 2016
Q48 · What is an alloy? 0653/12 May/June 2017
24 What is an alloy? A a compound containing two metallic elements B a compound containing two non-metallic elements C a mixture containing two metallic elements D a mixture containing two non-metallic elements
1 marks
Answer: C
This question in 0653/12 May/June 2017
Q49 · What is an alloy? 0653/13 May/June 2017
24 What is an alloy? A a compound containing two metallic elements B a compound containing two non-metallic elements C a mixture containing two metallic elements D a mixture containing two non-metallic elements
1 marks
Answer: C
This question in 0653/13 May/June 2017
Q50 · The formulae of three substances are shown 0653/11 Oct/Nov 2017
14 The formulae of three substances are shown. substance formula methane CH4 water H2O oxygen O2 Which statement is correct? A Methane is made from five different types of atom. B Methane, water and oxygen are molecules. C Only methane and water are molecules. D Oxygen is made from two different types of atom.
1 marks
Answer: B
This question in 0653/11 Oct/Nov 2017
Q51 · The formulae of three substances are shown 0653/13 Oct/Nov 2017
14 The formulae of three substances are shown. substance formula methane CH4 water H2O oxygen O2 Which statement is correct? A Methane is made from five different types of atom. B Methane, water and oxygen are molecules. C Only methane and water are molecules. D Oxygen is made from two different types of atom.
1 marks
Answer: B
This question in 0653/13 Oct/Nov 2017
Q52 · Which diagram represents a mixture of two elements? 0653/12 Feb/March 2018
16 Which diagram represents a mixture of two elements? A B C D
1 marks
Answer: B
This question in 0653/12 Feb/March 2018
Q53 · The diagrams represent different substances 0653/11 May/June 2018
14 The diagrams represent different substances. P Q R S T Which row describes the substances? only separate mixture of atoms only molecules atoms and molecules A P Q S B Q T R C T P R D T Q P
1 marks
Answer: A
This question in 0653/11 May/June 2018
Q54 · The diagrams represent different substances 0653/12 May/June 2018
14 The diagrams represent different substances. P Q R S T Which row describes the substances? only separate mixture of atoms only molecules atoms and molecules A P Q S B Q T R C T P R D T Q P
1 marks
Answer: A
This question in 0653/12 May/June 2018
Q55 · Constantan is a mixture of copper and another metal 0653/12 May/June 2018
25 Constantan is a mixture of copper and another metal. Which type of substance is constantan? A a compound B a molecule C a salt D an alloy
1 marks
Answer: D
This question in 0653/12 May/June 2018
Q56 · The diagrams represent different substances 0653/13 May/June 2018
14 The diagrams represent different substances. P Q R S T Which row describes the substances? only separate mixture of atoms only molecules atoms and molecules A P Q S B Q T R C T P R D T Q P
1 marks
Answer: A
This question in 0653/13 May/June 2018
Q57 · The diagram represents a mixture of carbon dioxide, CO2, and carbon monoxide, CO 0653/11 Oct/Nov 2018
14 The diagram represents a mixture of carbon dioxide, CO2, and carbon monoxide, CO. Which statement is correct? A The mixture contains 4 elements. B The mixture contains 4 molecules. C The mixture contains 11 elements. D The mixture contains 11 molecules.
1 marks
Answer: B
This question in 0653/11 Oct/Nov 2018
Q58 · The diagram represents a mixture of carbon dioxide, CO2, and carbon monoxide, CO 0653/12 Oct/Nov 2018
14 The diagram represents a mixture of carbon dioxide, CO2, and carbon monoxide, CO. Which statement is correct? A The mixture contains 4 elements. B The mixture contains 4 molecules. C The mixture contains 11 elements. D The mixture contains 11 molecules.
1 marks
Answer: B
This question in 0653/12 Oct/Nov 2018
Q59 · The diagram represents a mixture of carbon dioxide, CO2, and carbon monoxide, CO 0653/13 Oct/Nov 2018
14 The diagram represents a mixture of carbon dioxide, CO2, and carbon monoxide, CO. Which statement is correct? A The mixture contains 4 elements. B The mixture contains 4 molecules. C The mixture contains 11 elements. D The mixture contains 11 molecules.
1 marks
Answer: B
This question in 0653/13 Oct/Nov 2018
Q60 · Which diagram represents a mixture of elements? 0653/13 Oct/Nov 2018
16 Which diagram represents a mixture of elements? A B C D
1 marks
Answer: D
This question in 0653/13 Oct/Nov 2018
Question 61 0653/12 Feb/March 2019
24 What is brass? A a compound formed between two metals B a compound formed between two non-metals C a mixture containing two metals D a mixture containing two non-metals
1 marks
Answer: C
This question in 0653/12 Feb/March 2019
Q62 · Which statement shows that petroleum is a mixture? 0653/11 May/June 2019
26 Which statement shows that petroleum is a mixture? A Petroleum can be burned as a fuel. B Petroleum can be separated into fractions by distillation. C Petroleum is a fossil fuel formed over millions of years. D Petroleum is a thick, black liquid.
1 marks
Answer: B
This question in 0653/11 May/June 2019
Q63 · A molecule of hydrogen has the formula H2 0653/12 May/June 2019
14 A molecule of hydrogen has the formula H2. A molecule of a protein contains several different elements. Which statement about these molecules is correct? A They both contain cations and anions bonded together. B They both contain different types of atom. C They both contain more than one atom bonded together. D They both contain only one type of atom.
1 marks
Answer: C
This question in 0653/12 May/June 2019
Q64 · Which statement shows that petroleum is a mixture? 0653/12 May/June 2019
26 Which statement shows that petroleum is a mixture? A Petroleum can be burned as a fuel. B Petroleum can be separated into fractions by distillation. C Petroleum is a fossil fuel formed over millions of years. D Petroleum is a thick, black liquid.
1 marks
Answer: B
This question in 0653/12 May/June 2019
Q65 · Which description of the named substance is correct? 0653/13 May/June 2019
15 Which description of the named substance is correct? substance element or mixture A air mixture B brass element C carbon dioxide element D hydrogen chloride mixture
1 marks
Answer: A
This question in 0653/13 May/June 2019
Q66 · Which diagram represents a mixture of two different elements? 0653/11 Oct/Nov 2019
15 Which diagram represents a mixture of two different elements? A B C D
1 marks
Answer: D
This question in 0653/11 Oct/Nov 2019
Q67 · A white solid X is formed when magnesium reacts with oxygen 0653/12 Oct/Nov 2019
15 A white solid X is formed when magnesium reacts with oxygen. What is X? A a compound B a mixture C an alloy D an element
1 marks
Answer: A
This question in 0653/12 Oct/Nov 2019
Q68 · A white solid X is formed when magnesium reacts with oxygen 0653/13 Oct/Nov 2019
15 A white solid X is formed when magnesium reacts with oxygen. What is X? A a compound B a mixture C an alloy D an element
1 marks
Answer: A
This question in 0653/13 Oct/Nov 2019
Q69 · Which row identifies a substance that exists only as separate atoms and a substance that… 0653/11 May/June 2020
14 Which row identifies a substance that exists only as separate atoms and a substance that exists as a molecule? separate atoms molecule A helium methane B hydrogen helium C neon argon D oxygen carbon dioxide
1 marks
Answer: A
This question in 0653/11 May/June 2020
Q70 · Salt, sand and water are stirred together in a beaker 0653/11 May/June 2020
16 Salt, sand and water are stirred together in a beaker. The salt dissolves in the water. What does the beaker contain? A a mixture of a solution and a solid B a mixture of three elements C only one compound and one solid D only one compound containing three elements
1 marks
Answer: A
This question in 0653/11 May/June 2020
Q71 · Sugar dissolves in water to form sugar solution 0653/11 Oct/Nov 2020
16 Sugar dissolves in water to form sugar solution. Which word describes the sugar? A distillate B filtrate C solute D solvent
1 marks
Answer: C
This question in 0653/11 Oct/Nov 2020
Q72 · Which row describes an element and a compound? 0653/12 Feb/March 2021
15 Which row describes an element and a compound? element compound A contains more than contains elements one type of atom chemically combined B contains more than contains elements one type of atom mixed together C contains only one contains elements type of atom chemically combined D contains only one contains elements type of atom mixed together
1 marks
Answer: C
This question in 0653/12 Feb/March 2021
Q73 · Which row about elements and compounds is correct? 0653/11 May/June 2021
16 Which row about elements and compounds is correct? elements compounds A are metals only contain ionic or covalent bonds B are non-metals only contain covalent bonds only C are metals or non-metals contain ionic bonds only D are metals or non-metals contain ionic or covalent bonds
1 marks
Answer: D
This question in 0653/11 May/June 2021
Q74 · Which substances are mixtures? 0653/12 May/June 2021
15 Which substances are mixtures? 1 air 2 brass 3 sodium chloride A 1 and 2 only B 1 and 3 only C 2 and 3 only D 1, 2 and 3
1 marks
Answer: A
This question in 0653/12 May/June 2021
Q75 · Water has the chemical formula H2O 0653/13 May/June 2021
16 Water has the chemical formula H2O. Which statement is correct? A Pure water is a mixture because it contains hydrogen and oxygen. B Pure water is an element because it contains only one type of molecule. C Salt water is a compound because it contains salt and water. D Salt water is a mixture because it contains salt and water.
1 marks
Answer: D
This question in 0653/13 May/June 2021
Q76 · The diagrams represent the particles in substances X, Y and Z 0653/11 Oct/Nov 2021
17 The diagrams represent the particles in substances X, Y and Z. X Y Z Which row identifies the element, the compound and the mixture? element compound mixture A X Y Z B X Z Y C Y X Z D Z Y X
1 marks
Answer: D
This question in 0653/11 Oct/Nov 2021
Q77 · Brass is an alloy 0653/11 Oct/Nov 2021
25 Brass is an alloy. What is brass? A a compound containing two metallic elements B a compound containing two non-metallic elements C a mixture containing two metallic elements D a mixture containing two non-metallic elements
1 marks
Answer: C
This question in 0653/11 Oct/Nov 2021
Q78 · Substance Z exists as molecules that contain only one type of atom 0653/12 May/June 2022
16 Substance Z exists as molecules that contain only one type of atom. What is Z? A a compound B a mixture C an element D a noble gas
1 marks
Answer: C
This question in 0653/12 May/June 2022
Q79 · Some water is added to a coloured, powdered mixture 0653/12 Feb/March 2023
20 Some water is added to a coloured, powdered mixture. After shaking, a blue solution and a white solid are seen. water blue solution coloured, powdered white solid mixture What does the powder contain? A sodium chloride and copper(II) oxide B sodium chloride and copper(II) sulfate C barium sulfate and copper(II) oxide D barium sulfate and copper(II) sulfate
1 marks
Answer: D
This question in 0653/12 Feb/March 2023
Q80 · A mixture of six gas molecules is shown 0653/12 May/June 2023
17 A mixture of six gas molecules is shown. O C O O O C O O O C O O C O Which statement about the mixture is correct? A It contains carbon dioxide and oxygen only. B It contains carbon monoxide and oxygen only. C It contains three different elements. D It contains two molecules of carbon dioxide.
1 marks
Answer: D
This question in 0653/12 May/June 2023
Q81 · The diagrams show four different mixtures of gases 0653/13 May/June 2023
14 The diagrams show four different mixtures of gases. Which diagram represents a mixture containing only elements? A B C D key different types of atom
1 marks
Answer: C
This question in 0653/13 May/June 2023
Q82 · A solid is added to a liquid and stirred until the solid is no longer visible 0653/11 Oct/Nov 2023
15 A solid is added to a liquid and stirred until the solid is no longer visible. Which word describes the type of mixture that is formed? A concentration B solute C solution D solvent
1 marks
Answer: C
This question in 0653/11 Oct/Nov 2023
Q83 · Substance X is an element 0653/12 Oct/Nov 2023
14 Substance X is an element. It is a gas at room temperature. It is made of X2 molecules. Which diagram represents X? A B C D
1 marks
Answer: C
This question in 0653/12 Oct/Nov 2023
Q84 · Which statement about tap water is correct? 0653/12 Oct/Nov 2023
15 Which statement about tap water is correct? A It is a compound. B It is a mixture of elements. C It is a pure substance. D It is a solution.
1 marks
Answer: D
This question in 0653/12 Oct/Nov 2023
Q85 · Substance X is an element 0653/13 Oct/Nov 2023
14 Substance X is an element. It is a gas at room temperature. It is made of X2 molecules. Which diagram represents X? A B C D
1 marks
Answer: C
This question in 0653/13 Oct/Nov 2023
Q86 · Which statement about tap water is correct? 0653/13 Oct/Nov 2023
15 Which statement about tap water is correct? A It is a compound. B It is a mixture of elements. C It is a pure substance. D It is a solution.
1 marks
Answer: D
This question in 0653/13 Oct/Nov 2023
Q87 · Which diagram represents a mixture of two elements? 0653/12 Feb/March 2024
15 Which diagram represents a mixture of two elements? A B C D
1 marks
Answer: B
This question in 0653/12 Feb/March 2024
Q88 · Which diagram represents a mixture of elements? 0653/12 May/June 2024
15 Which diagram represents a mixture of elements? A B C D key = atom of element X = atom of element Y
1 marks
Answer: B
This question in 0653/12 May/June 2024
Q89 · The diagram represents a mixture of carbon dioxide, CO2, and carbon monoxide, CO 0653/13 May/June 2024
14 The diagram represents a mixture of carbon dioxide, CO2, and carbon monoxide, CO. Which statement is correct? A The mixture contains 4 elements. B The mixture contains 4 molecules. C The mixture contains 11 elements. D The mixture contains 11 molecules.
1 marks
Answer: B
This question in 0653/13 May/June 2024
Q90 · Which row about elements and compounds is correct? 0653/13 May/June 2024
16 Which row about elements and compounds is correct? elements compounds A are metals only contain ionic or covalent bonds B are non-metals only contain covalent bonds only C are metals or non-metals contain ionic bonds only D are metals or non-metals contain ionic or covalent bonds
1 marks
Answer: D
This question in 0653/13 May/June 2024
Q91 · Brass is an alloy of copper and zinc 0653/11 Oct/Nov 2024
23 Brass is an alloy of copper and zinc. Which diagram represents a door handle made of brass? A B copper zinc zinc copper C D mixture compound of copper of copper and zinc and zinc
1 marks
Answer: C
This question in 0653/11 Oct/Nov 2024
Q92 · Which diagram represents a mixture of different molecules? 0653/12 Oct/Nov 2024
14 Which diagram represents a mixture of different molecules? A B C D
1 marks
Answer: A
This question in 0653/12 Oct/Nov 2024
Q93 · Water has the chemical formula H2O 0653/12 Oct/Nov 2024
16 Water has the chemical formula H2O. Which statement is correct? A Pure water is a mixture because it contains hydrogen and oxygen. B Pure water is an element because it contains only one type of molecule. C Salt water is a compound because it contains salt and water. D Salt water is a mixture because it contains salt and water.
1 marks
Answer: D
This question in 0653/12 Oct/Nov 2024
Q94 · Which diagram represents a mixture of different molecules? 0653/13 Oct/Nov 2024
14 Which diagram represents a mixture of different molecules? A B C D
1 marks
Answer: A
This question in 0653/13 Oct/Nov 2024
Q95 · Water has the chemical formula H2O 0653/13 Oct/Nov 2024
16 Water has the chemical formula H2O. Which statement is correct? A Pure water is a mixture because it contains hydrogen and oxygen. B Pure water is an element because it contains only one type of molecule. C Salt water is a compound because it contains salt and water. D Salt water is a mixture because it contains salt and water.
1 marks
Answer: D
This question in 0653/13 Oct/Nov 2024
Q96 · Which diagram represents a mixture of two different elements? 0653/11 May/June 2025
14 Which diagram represents a mixture of two different elements? A B C D
1 marks
Answer: D
This question in 0653/11 May/June 2025
Q97 · Sugar dissolves in water to form sugar solution 0653/12 May/June 2025
26 Sugar dissolves in water to form sugar solution. Which word describes the sugar? A filtrate B residue C solute D solvent
1 marks
Answer: C
This question in 0653/12 May/June 2025
Q98 · A sample of solid sodium chloride is mixed with water and stirred 0653/13 May/June 2025
26 A sample of solid sodium chloride is mixed with water and stirred. The sodium chloride dissolves. Which name describes the solid sodium chloride? A solution B solvent C solute D insoluble salt
1 marks
Answer: C
This question in 0653/13 May/June 2025
Q99 · Brass is made from copper and zinc 0653/12 Oct/Nov 2025
20 Brass is made from copper and zinc. Which row describes the type of substance and the electrical conductivity of brass? type of electrical substance conductivity A mixture poor B mixture good C compound poor D compound good
1 marks
Answer: B
This question in 0653/12 Oct/Nov 2025
Q100 · Which statement about air is correct? 0653/12 Oct/Nov 2025
23 Which statement about air is correct? A Air is a mixture of elements and compounds. B Carbon monoxide in the air is a particulate. C Clean, dry air consists of 78% oxygen. D Nitrogen in the air causes iron to rust.
1 marks
Answer: A
This question in 0653/12 Oct/Nov 2025
Q101 · Brass is made from copper and zinc 0653/13 Oct/Nov 2025
20 Brass is made from copper and zinc. Which row describes the type of substance and the electrical conductivity of brass? type of electrical substance conductivity A mixture poor B mixture good C compound poor D compound good
1 marks
Answer: B
This question in 0653/13 Oct/Nov 2025
Q102 · Which statement about air is correct? 0653/13 Oct/Nov 2025
23 Which statement about air is correct? A Air is a mixture of elements and compounds. B Carbon monoxide in the air is a particulate. C Clean, dry air consists of 78% oxygen. D Nitrogen in the air causes iron to rust.
1 marks
Answer: A
This question in 0653/13 Oct/Nov 2025
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