C8.2· 49 questions · 49 marks · 59 min · 2005–2025· Multiple choice
Every Cambridge IGCSE Science - Combined Paper 1 question on group i properties, laid out as 14 A4 pages with the mark scheme below. Nothing is left out. Free to read, no account.


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14 / 14Answers below. Sit the paper first if you are practising.
Pastlit
Science - Combined 0653 · Group I properties — Paper 1
IGCSE · topical answer key — answer key (teacher use)
Question
Answer
Marks
| Question | Answer | Marks | From |
|---|---|---|---|
| 1 | C | 1 | 0653/11 Oct/Nov 2005 |
| 2 | D | 1 | 0653/11 May/June 2006 |
| 3 | A | 1 | 0653/11 May/June 2007 |
| 4 | D | 1 | 0653/11 Oct/Nov 2007 |
| 5 | A | 1 | 0653/11 Oct/Nov 2007 |
| 6 | C | 1 | 0653/11 Oct/Nov 2007 |
| 7 | D | 1 | 0653/11 May/June 2009 |
| 8 | C | 1 | 0653/12 May/June 2011 |
| 9 | D | 1 | 0653/11 Oct/Nov 2011 |
| 10 | C | 1 | 0653/11 Oct/Nov 2011 |
| 11 | D | 1 | 0653/12 Oct/Nov 2011 |
| 12 | C | 1 | 0653/13 Oct/Nov 2011 |
| 13 | D | 1 | 0653/13 Oct/Nov 2011 |
| 14 | B | 1 | 0653/12 May/June 2012 |
| 15 | B | 1 | 0653/13 May/June 2012 |
| 16 | D | 1 | 0653/11 Oct/Nov 2013 |
| 17 | D | 1 | 0653/12 Oct/Nov 2013 |
| 18 | C | 1 | 0653/11 May/June 2014 |
| 19 | D | 1 | 0653/12 May/June 2014 |
| 20 | C | 1 | 0653/12 May/June 2014 |
| 21 | B | 1 | 0653/11 Oct/Nov 2014 |
| 22 | B | 1 | 0653/12 Oct/Nov 2014 |
| 23 | D | 1 | 0653/13 Oct/Nov 2014 |
| 24 | A | 1 | 0653/11 May/June 2015 |
| 25 | C | 1 | 0653/12 May/June 2015 |
| 26 | A | 1 | 0653/12 May/June 2015 |
| 27 | B | 1 | 0653/12 Oct/Nov 2015 |
| 28 | D | 1 | 0653/13 Oct/Nov 2015 |
| 29 | A | 1 | 0653/11 May/June 2016 |
| 30 | A | 1 | 0653/12 May/June 2016 |
| 31 | A | 1 | 0653/13 May/June 2016 |
| 32 | B | 1 | 0653/12 Feb/March 2017 |
| 33 | C | 1 | 0653/11 Oct/Nov 2017 |
| 34 | A | 1 | 0653/12 Oct/Nov 2017 |
| 35 | A | 1 | 0653/12 Feb/March 2019 |
| 36 | B | 1 | 0653/12 Feb/March 2020 |
| 37 | A | 1 | 0653/12 Oct/Nov 2020 |
| 38 | D | 1 | 0653/12 Feb/March 2021 |
| 39 | B | 1 | 0653/12 Feb/March 2022 |
| 40 | C | 1 | 0653/12 Feb/March 2022 |
| 41 | A | 1 | 0653/12 May/June 2024 |
| 42 | A | 1 | 0653/13 May/June 2024 |
| 43 | A | 1 | 0653/11 Oct/Nov 2024 |
| 44 | B | 1 | 0653/12 Oct/Nov 2024 |
| 45 | B | 1 | 0653/13 Oct/Nov 2024 |
| 46 | A | 1 | 0653/12 Feb/March 2025 |
| 47 | C | 1 | 0653/11 Oct/Nov 2025 |
| 48 | A | 1 | 0653/12 Oct/Nov 2025 |
| 49 | A | 1 | 0653/13 Oct/Nov 2025 |
17 The diagram shows a solid element dropped into a bowl of water. The element catches fire and burns with a lilac flame. water What is the element? A aluminium B magnesium C potassium D sodium
1 marks
Answer: C
19 Two properties of a white solid are shown. • The solid dissolves in water forming an alkaline solution. • The solid gives a yellow flame test. Which solid has both of these properties? A calcium chloride B calcium hydroxide C sodium chloride D sodium hydroxide
1 marks
Answer: D
20 The diagrams show an experiment. element alkaline bubbles solution cold water element What could the element be? A calcium B carbon C copper D sulphur
1 marks
Answer: A
14 When a metal X is added to water, it reacts and two ions are formed. What could these ions be? A Cu2+, H+ B Cu2+, OH– C Na+, H+ D Na+, OH–
1 marks
Answer: D
18 The diagram shows a simplified outline of the Periodic Table. Which letter shows the position of a metal with a low melting point? A C B D
1 marks
Answer: A
21 Which substance has a dangerously explosive reaction with sodium? A ammonia B hydrogen C hydrochloric acid D nitrogen
1 marks
Answer: C
20 A firework gives a bright flame in which yellow and red colours are seen. Which two metals are present in the firework? A calcium and copper B copper and potassium C potassium and sodium D sodium and calcium
1 marks
Answer: D
18 The position in the Periodic Table of an element Q is shown. Q Which description of Q is correct? A It is green and has diatomic molecules. B It is soft and a good electrical conductor. C It is very dense and has a high melting point. D It reacts violently with cold water.
1 marks
Answer: C
18 A soft metal reacts vigorously with cold water. Which letter shows the position of this metal in the Periodic Table? D C B A
1 marks
Answer: D
21 In an experiment the elements calcium, copper, potassium and sodium were separately reacted with water. In a second experiment a flame test was carried out on compounds of each of the elements. compound of element element water Bunsen burner Which row correctly shows the reaction of the elements with water and the colour of the flame? reaction with colour of the element water flame A calcium vigorous green B copper no reaction red C potassium vigorous lilac D sodium no reaction yellow
1 marks
Answer: C
19 A soft metal reacts vigorously with cold water. Which letter shows the position of this metal in the Periodic Table? D C B A
1 marks
Answer: D
16 In an experiment the elements calcium, copper, potassium and sodium were separately reacted with water. In a second experiment a flame test was carried out on compounds of each of the elements. compound of element element water Bunsen burner Which row correctly shows the reaction of the elements with water and the colour of the flame? reaction with colour of the element water flame A calcium vigorous green B copper no reaction red C potassium vigorous lilac D sodium no reaction yellow
1 marks
Answer: C
20 A soft metal reacts vigorously with cold water. Which letter shows the position of this metal in the Periodic Table? D C B A
1 marks
Answer: D
21 The properties of the elements in Groups I and VII of the Periodic Table change down the group. Which row shows how the melting points change down these groups? Group I Group VII A decrease decrease B decrease increase C increase decrease D increase increase
1 marks
Answer: B
21 The properties of the elements in Groups I and VII of the Periodic Table change down the group. Which row shows how the melting points change down these groups? Group I Group VII A decrease decrease B decrease increase C increase decrease D increase increase
1 marks
Answer: B
25 The diagram shows what happens when two metals are added to water. purple flame water metal water metal experiment 1 experiment 2 What are the metals? experiment 1 experiment 2 A calcium zinc B magnesium copper C potassium calcium D potassium copper
1 marks
Answer: D
25 The diagram shows what happens when two metals are added to water. purple flame water metal water metal experiment 1 experiment 2 What are the metals? experiment 1 experiment 2 A calcium zinc B magnesium copper C potassium calcium D potassium copper
1 marks
Answer: D
17 Sodium and fluorine react together violently to form sodium fluoride. 2Na + F2 → 2NaF Which changes occur to each atom when sodium and fluorine react together? sodium atom fluorine atom A gains one electron loses two electrons B gains two electrons loses one electron C loses one electron gains one electron D loses two electrons gains two electrons
1 marks
Answer: C
17 Sodium is in Group I of the Periodic Table. What happens to an atom of sodium when it reacts? A It gains one electron, forming Na–. B It gains one electron, forming Na+. C It loses one electron, forming Na–. D It loses one electron, forming Na+.
1 marks
Answer: D
24 A piece of metal is added to water. metal water Which metal produces the most violent reaction? A copper B magnesium C potassium D zinc
1 marks
Answer: C
24 Which statement about Group I elements is correct? A Their melting points increase down the group. B They are relatively soft metals. C They do not react with cold water. D They include sodium, potassium and calcium.
1 marks
Answer: B
23 Which statement about Group I elements is correct? A Their melting points increase down the group. B They are relatively soft metals. C They do not react with cold water. D They include sodium, potassium and calcium.
1 marks
Answer: B
25 P, Q, R and S are four different elements. P is a metal that floats on water. Q is a non-metal and its oxide is coloured. R is a dense metal. S has a green colour and its boiling point is –35 °C. Which row describes the elements? transition element non-transition element A P, R Q, S B P, R, S Q C Q, R P, S D R P, Q S
1 marks
Answer: D
25 The diagram shows an element being added to cold water to form a gas and an alkaline solution. element alkaline bubbles solution cold water element What is the element? A calcium B carbon C copper D sulfur
1 marks
Answer: A
23 Lithium is a metal in Group I of the Periodic Table. Which statement about lithium is correct? A It is hard with the highest melting point in Group I. B It is hard with the lowest melting point in Group I. C It is soft with the highest melting point in Group I. D It is soft with the lowest melting point in Group I.
1 marks
Answer: C
25 The diagram shows an element being added to cold water to form a gas and an alkaline solution. element alkaline bubbles solution cold water element What is the element? A calcium B carbon C copper D sulfur
1 marks
Answer: A
25 A small piece of a solid element is dropped into a bowl of water. The element floats on the water, fizzes and burns with a lilac flame. What is the element? A copper B potassium C sodium D zinc
1 marks
Answer: B
25 A metal is added to water. It floats and reacts vigorously. What is the pH of the resulting solution? A 1 B 5 C 7 D 14
1 marks
Answer: D
22 A soft metal reacts vigorously with cold water. What is the position of this metal in the Periodic Table? A B C D
1 marks
Answer: A
22 A soft metal reacts vigorously with cold water. What is the position of this metal in the Periodic Table? A B C D
1 marks
Answer: A
22 A soft metal reacts vigorously with cold water. What is the position of this metal in the Periodic Table? A B C D
1 marks
Answer: A
24 Element X is a very soft solid. It reacts violently with water. A purple flame is seen as it reacts with water. What is X? A iodine B potassium C sodium D zinc
1 marks
Answer: B
24 Lithium and potassium are in Group I of the Periodic Table. Which statement is not correct? A Lithium has a higher melting point than potassium. B Lithium is harder than potassium. C Potassium conducts electricity but lithium does not. D Potassium is more reactive than lithium.
1 marks
Answer: C
21 Lithium is added to water containing Universal Indicator. A gas is given off and the indicator changes colour. Which row describes the gas produced and the final colour of the indicator? gas final colour produced of the indicator A hydrogen blue B hydrogen red C oxygen blue D oxygen red
1 marks
Answer: A
22 Which statement about elements in the Periodic Table is not correct? A The elements in Group I are hard metals. B The elements in Group I react with water to give hydrogen. C The elements in Group VII exist as diatomic molecules. D The elements in Group VII are non-metals.
1 marks
Answer: A
23 Rubidium is a very reactive Group I metal. It is kept in a sealed box surrounded by a gas. gas rubidium Which gas does not react with rubidium? A chlorine B neon C oxygen D water vapour
1 marks
Answer: B
23 Which row describes a Group I element? metal or non-metal reaction with water A metal fast reaction B metal no reaction C non-metal fast reaction D non-metal no reaction
1 marks
Answer: A
22 Which statement about the elements in Group I of the Periodic Table is correct? A They are hard solids. B They change from metallic to non-metallic down the group. C They react with water to form oxygen. D They become more reactive down the group.
1 marks
Answer: D
17 Potassium reacts with water in an exothermic reaction. potassium + water … X … + … Y … What are substances X and Y? X Y A potassium oxide hydrogen B potassium hydroxide hydrogen C potassium oxide oxygen D potassium hydroxide oxygen
1 marks
Answer: B
24 The melting points of some Group I metals are shown. melting metal point / C lithium 180 potassium 63 rubidium 39 What is the melting point of sodium? A 28 C B 44 C C 98 C D 232 C
1 marks
Answer: C
24 Which row describes elements in Group I and Group VII of the Periodic Table? Group I elements Group VII elements A are solid at room temperature are solid, liquid or gas at room temperature B are poor conductors of are good conductors of heat and electricity heat and electricity C consist of consist of negatively charged ions diatomic molecules D gain electrons when they lose electrons when they react with Group VII elements react with Group I elements
1 marks
Answer: A
26 Information about metals P, Q and R is shown. When P is added to cold water, a violent reaction occurs producing lilac flames. Q does not react with dilute hydrochloric acid. R reacts with cold water to produce hydrogen. Which row identifies these metals? P Q R A potassium copper calcium B potassium aluminium magnesium C sodium aluminium calcium D sodium copper magnesium
1 marks
Answer: A
20 Lithium is added to water containing universal indicator. A gas is given off and the indicator changes colour. Which row describes the gas produced and the final colour of the indicator? gas final colour produced of the indicator A hydrogen blue B hydrogen red C oxygen blue D oxygen red
1 marks
Answer: A
21 Which row describes trends shown by the elements in Group I and Group VII of the Periodic Table as the groups are descended? Group I Group VII A melting point increases colour becomes darker B melting point decreases colour becomes darker C they become more reactive colour becomes lighter D they become less reactive colour becomes lighter
1 marks
Answer: B
21 Which row describes trends shown by the elements in Group I and Group VII of the Periodic Table as the groups are descended? Group I Group VII A melting point increases colour becomes darker B melting point decreases colour becomes darker C they become more reactive colour becomes lighter D they become less reactive colour becomes lighter
1 marks
Answer: B
19 A soft metal reacts vigorously with cold water. What is the position of this metal in the Periodic Table? A B C D
1 marks
Answer: A
19 Sodium is added to a container of water and a reaction occurs. What remains in the container after this reaction has finished? A solid sodium hydroxide B solid sodium oxide C aqueous sodium hydroxide D aqueous sodium oxide
1 marks
Answer: C
18 Which metal in Group I of the Periodic Table has the highest melting point? A lithium B sodium C potassium D rubidium
1 marks
Answer: A
18 Which metal in Group I of the Periodic Table has the highest melting point? A lithium B sodium C potassium D rubidium
1 marks
Answer: A