Questions as text
Q1 · What do the chemical symbols N2 and Ni represent? 0654/11 May/June 2005
14 What do the chemical symbols N2 and Ni represent? N2 Ni A a compound a compound B a compound an element C an element a compound D an element an element
1 marks
Answer: D
This question in 0654/11 May/June 2005
Q2 · The contents of a beaker scatter a beam of light What does the beaker contain? 0654/11 May/June 2005
24 The contents of a beaker scatter a beam of light What does the beaker contain? A aqueous copper(II) sulphate B ethanol C milk D water
1 marks
Answer: C
This question in 0654/11 May/June 2005
Q3 · The diagram shows a sack containing a mixture of three minerals 0654/11 May/June 2006
14 The diagram shows a sack containing a mixture of three minerals. SnO2 CuCO3 CuFeS2 Which element is not present in the mixture? A cobalt B copper C iron D tin
1 marks
Answer: A
This question in 0654/11 May/June 2006
Q4 · The table shows the name and formula of four metal ores 0654/11 May/June 2006
18 The table shows the name and formula of four metal ores. name formula 1 chalcopyrite CuFeS2 2 ilmenite FeTiO3 3 malachite Cu2CO3(OH)2 4 wolframite FeWO4 Which metal ores contain two different metals? A 1 and 3 only B 2 and 4 only C 1, 2 and 4 only D 2, 3 and 4 only
1 marks
Answer: C
This question in 0654/11 May/June 2006
Q5 · The element sulphur forms a colloid with water 0654/11 Oct/Nov 2007
23 The element sulphur forms a colloid with water. How are the sulphur particles held in the water and how do the particles affect a light beam shone on to the colloid? the particles are the light beam is A dissolved reflected B dissolved scattered C suspended reflected D suspended scattered
1 marks
Answer: D
This question in 0654/11 Oct/Nov 2007
Q6 · What do the chemical symbols N2 and Ni represent? 0654/11 May/June 2008
14 What do the chemical symbols N2 and Ni represent? N2 Ni A a compound a compound B a compound an element C an element a compound D an element an element
1 marks
Answer: D
This question in 0654/11 May/June 2008
Q7 · A sample of clay is stirred in a beaker of water 0654/11 May/June 2009
25 A sample of clay is stirred in a beaker of water. When light is shone through the beaker, the light is scattered. What does the experiment show? A An emulsion has been formed. B Clay in water forms a colloid. C Clay in water forms a gel. D Water dissolves clay particles.
1 marks
Answer: B
This question in 0654/11 May/June 2009
Q8 · The table shows the name and formula of four metal ores 0654/11 May/June 2010
18 The table shows the name and formula of four metal ores. name formula 1 chalcopyrite CuFeS2 2 ilmenite FeTiO3 3 malachite Cu2CO3(OH)2 4 wolframite FeWO4 Which metal ores contain two different metals? A 1 and 3 only B 2 and 4 only C 1, 2 and 4 only D 2, 3 and 4 only
1 marks
Answer: C
This question in 0654/11 May/June 2010
Q9 · The contents of a beaker scatter a beam of light 0654/12 May/June 2010
22 The contents of a beaker scatter a beam of light. What does the beaker contain? A aqueous copper(II) sulfate B ethanol C milk D water
1 marks
Answer: C
This question in 0654/12 May/June 2010
Q10 · The table shows the name and formula of four metal ores 0654/12 May/June 2010
23 The table shows the name and formula of four metal ores. name formula 1 chalcopyrite CuFeS2 2 ilmenite FeTiO3 3 malachite Cu2CO3(OH)2 4 wolframite FeWO4 Which metal ores contain two different metals? A 1 and 3 only B 2 and 4 only C 1, 2 and 4 only D 2, 3 and 4 only
1 marks
Answer: C
This question in 0654/12 May/June 2010
Q11 · Paint contains particles of solid finely dispersed in a liquid 0654/11 Oct/Nov 2010
24 Paint contains particles of solid finely dispersed in a liquid. coloured solid liquid magnified view of paint Which term correctly describes paint? A emulsion B gel C sol D solution
1 marks
Answer: C
This question in 0654/11 Oct/Nov 2010
Q12 · Paint contains particles of solid finely dispersed in a liquid 0654/12 Oct/Nov 2010
23 Paint contains particles of solid finely dispersed in a liquid. coloured solid liquid magnified view of paint Which term correctly describes paint? A emulsion B gel C sol D solution
1 marks
Answer: C
This question in 0654/12 Oct/Nov 2010
Q13 · Paint contains particles of solid finely dispersed in a liquid 0654/13 Oct/Nov 2010
23 Paint contains particles of solid finely dispersed in a liquid. coloured solid liquid magnified view of paint Which term correctly describes paint? A emulsion B gel C sol D solution
1 marks
Answer: C
This question in 0654/13 Oct/Nov 2010
Q14 · Which is not a colloid? 0654/12 May/June 2011
27 Which is not a colloid? A cellulose B milk C paint D smoke
1 marks
Answer: A
This question in 0654/12 May/June 2011
Q15 · Which is not a colloid? 0654/13 May/June 2011
27 Which is not a colloid? A cellulose B milk C paint D smoke
1 marks
Answer: A
This question in 0654/13 May/June 2011
Q16 · Salad dressing contains oil dispersed in water 0654/13 Oct/Nov 2011
27 Salad dressing contains oil dispersed in water. What is the name of this type of colloidal system? A emulsion B gel C sol D solution
1 marks
Answer: A
This question in 0654/13 Oct/Nov 2011
Q17 · The diagram shows overlapping circles into which different chemical formulae can be placed 0654/13 May/June 2013
14 The diagram shows overlapping circles into which different chemical formulae can be placed. is an forms a element basic oxide forms coloured ions Which formula can be placed in the shaded area because it has all three properties? A Br2 B CO C Cu D Na
1 marks
Answer: C
This question in 0654/13 May/June 2013
Q18 · Small amounts of barium chloride and sand are shaken with separate samples of water in… 0654/12 Oct/Nov 2013
16 Small amounts of barium chloride and sand are shaken with separate samples of water in two test-tubes. The test-tubes are left to stand for 24 hours. Which diagram shows how the test-tubes appear at the end? A B water water barium sand chloride solution solution barium chloride sand C D water water sand barium solution chloride solution barium sand chloride
1 marks
Answer: C
This question in 0654/12 Oct/Nov 2013
Q19 · Brine is a mixture of salt (sodium chloride) and water 0654/13 Oct/Nov 2013
19 Brine is a mixture of salt (sodium chloride) and water. Which row describes these substances? solute solvent solution A brine salt water B brine water salt C salt brine water D salt water brine
1 marks
Answer: D
This question in 0654/13 Oct/Nov 2013
Q20 · Diagrams 1, 2, 3 and 4 represent atoms and molecules 0654/13 Oct/Nov 2014
17 Diagrams 1, 2, 3 and 4 represent atoms and molecules. 1 2 3 4 Which statement is correct? A 1, 2 and 3 are molecules and 4 is an atom. B 1, 2 and 4 are molecules and 3 is an atom. C 1, 3 and 4 are molecules and 2 is an atom. D 2, 3 and 4 are molecules and 1 is an atom.
1 marks
Answer: B
This question in 0654/13 Oct/Nov 2014
Q21 · Diagrams W, X, Y and Z represent the structures of four different compounds 0654/11 Oct/Nov 2015
18 Diagrams W, X, Y and Z represent the structures of four different compounds. key sulfur W X Y Z oxygen nitrogen hydrogen carbon Which row identifies these compounds? W X Y Z A NO2 CO2 H2O SO2 B NO2 H2O SO2 CO2 C SO2 CO2 NO2 H2O D SO2 NO2 CO2 H2O
1 marks
Answer: C
This question in 0654/11 Oct/Nov 2015
Q22 · The structures of some substances are shown 0654/12 Oct/Nov 2015
14 The structures of some substances are shown. water ethanol methane Which row shows the total number of different elements and the total number of atoms in the three structures? total total number of number of different atoms elements A 3 9 B 3 17 C 7 9 D 7 17
1 marks
Answer: B
This question in 0654/12 Oct/Nov 2015
Q23 · Which diagram represents a single element? 0654/13 Oct/Nov 2015
16 Which diagram represents a single element? A B C D
1 marks
Answer: C
This question in 0654/13 Oct/Nov 2015
Q24 · Three minerals containing iron are listed 0654/11 May/June 2016
16 Three minerals containing iron are listed. mineral chemical formula goethite FeO(OH) magnetite Fe3O4 siderite FeCO3 What is the total number of different elements contained in all three minerals? A 3 B 4 C 5 D 16
1 marks
Answer: B
This question in 0654/11 May/June 2016
Q25 · Which diagram represents molecules of a compound? 0654/11 May/June 2017
14 Which diagram represents molecules of a compound? A B C D
1 marks
Answer: B
This question in 0654/11 May/June 2017
Q26 · Which statement about atoms and molecules is correct? 0654/12 Oct/Nov 2017
14 Which statement about atoms and molecules is correct? A All molecules are gases at room temperature and pressure. B Atoms are the smallest part of an element. C Atoms of the same element all have the same mass. D Molecules always contain atoms of more than one element.
1 marks
Answer: B
This question in 0654/12 Oct/Nov 2017
Q27 · Atoms are the smallest parts of ««1«« 0654/13 Oct/Nov 2017
14 Atoms are the smallest parts of ««1«« . When atoms of the same type chemically join together, a ««2«« is formed. When different types of atoms chemically join together, they form ««3««. . Which words complete gaps 1, 2 and 3? 1 2 3 A elements molecule compounds B elements molecule mixtures C molecules compound mixtures D molecules mixture compounds
1 marks
Answer: A
This question in 0654/13 Oct/Nov 2017
Q28 · W, X, Y and Z are diagrams representing atoms and molecules 0654/11 Oct/Nov 2018
14 W, X, Y and Z are diagrams representing atoms and molecules. W X Y Z Which statement is correct? A W and Z are molecules and X and Y are atoms. B W, X and Z are molecules and Y is an atom. C W, Y and Z are molecules and X is an atom. D X, Y and Z are molecules and W is an atom.
1 marks
Answer: B
This question in 0654/11 Oct/Nov 2018
Q29 · W, X, Y and Z are diagrams representing atoms and molecules 0654/12 Oct/Nov 2018
14 W, X, Y and Z are diagrams representing atoms and molecules. W X Y Z Which statement is correct? A W and Z are molecules and X and Y are atoms. B W, X and Z are molecules and Y is an atom. C W, Y and Z are molecules and X is an atom. D X, Y and Z are molecules and W is an atom.
1 marks
Answer: B
This question in 0654/12 Oct/Nov 2018
Q30 · W, X, Y and Z are diagrams representing atoms and molecules 0654/13 Oct/Nov 2018
14 W, X, Y and Z are diagrams representing atoms and molecules. W X Y Z Which statement is correct? A W and Z are molecules and X and Y are atoms. B W, X and Z are molecules and Y is an atom. C W, Y and Z are molecules and X is an atom. D X, Y and Z are molecules and W is an atom.
1 marks
Answer: B
This question in 0654/13 Oct/Nov 2018
Q31 · Which statement about atoms and molecules is correct? 0654/11 May/June 2020
14 Which statement about atoms and molecules is correct? A All molecules are gases at room temperature and pressure. B An atom is the smallest part of an element. C Atoms of the same element all have the same mass. D Molecules always contain atoms of more than one element.
1 marks
Answer: B
This question in 0654/11 May/June 2020
Q32 · Which statement about atoms and molecules is correct? 0654/12 May/June 2020
14 Which statement about atoms and molecules is correct? A All molecules are gases at room temperature and pressure. B An atom is the smallest part of an element. C Atoms of the same element all have the same mass. D Molecules always contain atoms of more than one element.
1 marks
Answer: B
This question in 0654/12 May/June 2020
Q33 · Which statement about atoms and molecules is correct? 0654/13 May/June 2020
14 Which statement about atoms and molecules is correct? A All molecules are gases at room temperature and pressure. B An atom is the smallest part of an element. C Atoms of the same element all have the same mass. D Molecules always contain atoms of more than one element.
1 marks
Answer: B
This question in 0654/13 May/June 2020
Q34 · Atoms are the smallest parts of ……1…… 0654/11 Oct/Nov 2020
14 Atoms are the smallest parts of ……1…… . When atoms of the same type chemically join together, a ……2…… is formed. When different types of atom chemically join together, they form ……3……. . Which words complete gaps 1, 2 and 3? 1 2 3 A elements molecule compounds B elements molecule mixtures C molecules compound mixtures D molecules mixture compounds
1 marks
Answer: A
This question in 0654/11 Oct/Nov 2020
Q35 · Atoms are the smallest parts of ……1…… 0654/12 Oct/Nov 2020
14 Atoms are the smallest parts of ……1…… . When atoms of the same type chemically join together, a ……2…… is formed. When different types of atom chemically join together, they form ……3……. . Which words complete gaps 1, 2 and 3? 1 2 3 A elements molecule compounds B elements molecule mixtures C molecules compound mixtures D molecules mixture compounds
1 marks
Answer: A
This question in 0654/12 Oct/Nov 2020
Q36 · Atoms are the smallest parts of ……1…… 0654/13 Oct/Nov 2020
14 Atoms are the smallest parts of ……1…… . When atoms of the same type chemically join together, a ……2…… is formed. When different types of atom chemically join together, they form ……3……. . Which words complete gaps 1, 2 and 3? 1 2 3 A elements molecule compounds B elements molecule mixtures C molecules compound mixtures D molecules mixture compounds
1 marks
Answer: A
This question in 0654/13 Oct/Nov 2020
Q37 · The structures of some substances are shown 0654/11 May/June 2021
14 The structures of some substances are shown. water ethanol methane Which row shows the total number of different elements and the total number of atoms in the three structures? total total number of number of different atoms elements A 3 9 B 3 17 C 7 9 D 7 17
1 marks
Answer: B
This question in 0654/11 May/June 2021
Q38 · The structures of some substances are shown 0654/12 May/June 2021
14 The structures of some substances are shown. water ethanol methane Which row shows the total number of different elements and the total number of atoms in the three structures? total total number of number of different atoms elements A 3 9 B 3 17 C 7 9 D 7 17
1 marks
Answer: B
This question in 0654/12 May/June 2021
Q39 · The structures of some substances are shown 0654/13 May/June 2021
14 The structures of some substances are shown. water ethanol methane Which row shows the total number of different elements and the total number of atoms in the three structures? total total number of number of different atoms elements A 3 9 B 3 17 C 7 9 D 7 17
1 marks
Answer: B
This question in 0654/13 May/June 2021
Q40 · Other than hydrogen and oxygen, which substance provides only one of the essential… 0654/13 May/June 2021
24 Other than hydrogen and oxygen, which substance provides only one of the essential elements for plant growth? A K3PO4 B KNO3 C (NH4)3PO4 D NH4NO3
1 marks
Answer: D
This question in 0654/13 May/June 2021
Q41 · Substance P is separated into different parts using simple physical techniques 0654/12 Feb/March 2022
14 Substance P is separated into different parts using simple physical techniques. Substance Q is only separated into simpler parts using chemical processes. Substance R is not separated into simpler parts by either physical or chemical processes. Which type of substance are P, Q and R? P Q R A compound mixture element B element compound mixture C mixture element compound D mixture compound element
1 marks
Answer: D
This question in 0654/12 Feb/March 2022
Q42 · A mixture contains water, H2O, copper chloride, CuCl 2, and barium sulfate, BaSO4 0654/13 Oct/Nov 2022
16 A mixture contains water, H2O, copper chloride, CuCl 2, and barium sulfate, BaSO4. How many different non-metallic elements are in the mixture? A 2 B 4 C 7 D 12
1 marks
Answer: B
This question in 0654/13 Oct/Nov 2022
Q43 · Which diagram represents molecules of a compound? 0654/12 Feb/March 2023
15 Which diagram represents molecules of a compound? A B C D
1 marks
Answer: B
This question in 0654/12 Feb/March 2023
Q44 · Naphtha is obtained by the fractional distillation of petroleum 0654/12 May/June 2023
26 Naphtha is obtained by the fractional distillation of petroleum. Which statements about naphtha are correct? 1 It burns to form carbon dioxide and water. 2 It is a mixture of hydrocarbons. 3 It is present in bottled gas. 4 The main component of naphtha is methane. A 1 and 2 B 1 and 4 C 2 and 3 D 3 and 4
1 marks
Answer: A
This question in 0654/12 May/June 2023
Q45 · What do the chemical symbols N2 and Ni represent? 0654/11 Oct/Nov 2023
15 What do the chemical symbols N2 and Ni represent? N2 Ni A a compound a compound B a compound an element C an element a compound D an element an element
1 marks
Answer: D
This question in 0654/11 Oct/Nov 2023
Q46 · Which diagram represents a mixture of an element and a compound? 0654/13 Oct/Nov 2023
15 Which diagram represents a mixture of an element and a compound? A B C D
1 marks
Answer: B
This question in 0654/13 Oct/Nov 2023
Q47 · Different minerals contain different elements 0654/12 May/June 2024
22 Different minerals contain different elements. Which mineral contains three non-metallic elements? mineral formula A chalcopyrite CuFeS2 B cryolite Na3Al F6 C gypsum CaSO4•2H2O D ilmenite FeTiO3
1 marks
Answer: C
This question in 0654/12 May/June 2024
Q48 · Different minerals contain different elements 0654/13 May/June 2024
22 Different minerals contain different elements. Which mineral contains three non-metallic elements? mineral formula A chalcopyrite CuFeS2 B cryolite Na3Al F6 C gypsum CaSO4•2H2O D ilmenite FeTiO3
1 marks
Answer: C
This question in 0654/13 May/June 2024
Q49 · Sea water is a mixture that contains sodium chloride dissolved in water 0654/11 Oct/Nov 2024
15 Sea water is a mixture that contains sodium chloride dissolved in water. Which row describes sea water? solvent solute solution A water sea water sodium chloride B sea water sodium chloride water C water sodium chloride sea water D sodium chloride water sea water
1 marks
Answer: C
This question in 0654/11 Oct/Nov 2024
Q50 · The formula of ethanol is C2H5OH 0654/12 May/June 2025
15 The formula of ethanol is C2H5OH. How many different elements are present in ethanol? A 1 B 3 C 4 D 9
1 marks
Answer: B
This question in 0654/12 May/June 2025
Q51 · The formula of ethanol is C2H5OH 0654/13 May/June 2025
15 The formula of ethanol is C2H5OH. How many different elements are present in ethanol? A 1 B 3 C 4 D 9
1 marks
Answer: B
This question in 0654/13 May/June 2025
Q52 · Which statement about elements, compounds and mixtures is correct? 0654/11 Oct/Nov 2025
14 Which statement about elements, compounds and mixtures is correct? A Compounds contain more than one type of atom. B Elements only exist as single, unbonded atoms. C Mixtures of compounds can only be separated by chemical processes. D Mixtures of elements are separated by electrolysis.
1 marks
Answer: A
This question in 0654/11 Oct/Nov 2025
Q53 · A mixture contains carbon, potassium nitrate and sulfur 0654/12 Oct/Nov 2025
14 A mixture contains carbon, potassium nitrate and sulfur. Which description of this mixture is correct? A one compound and two elements B two compounds and one element C three elements D four elements
1 marks
Answer: A
This question in 0654/12 Oct/Nov 2025
Q54 · A mixture contains carbon, potassium nitrate and sulfur 0654/13 Oct/Nov 2025
14 A mixture contains carbon, potassium nitrate and sulfur. Which description of this mixture is correct? A one compound and two elements B two compounds and one element C three elements D four elements
1 marks
Answer: A
This question in 0654/13 Oct/Nov 2025
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