Reactivity series — Paper 1 · IGCSE Chemistry (9-1) 0971

24 Three metals, X, Y and Z, were reacted with water. The oxides of the same three metals were also heated strongly with carbon. The results are shown. reaction of the metal oxide metal reaction of the metal with water with carbon X vigorous reaction no reaction with cold water Y no reaction metal and carbon dioxide produced Z no reaction observed with cold water no reaction but reaction observed with steam What is a correct conclusion about X, Y and Z? A X is sodium and Y is magnesium. B X is the least reactive and Y is the most reactive. C Z is less reactive than Y. D Z is magnesium and Y is copper.

1 marks

Answer: D

This question in 0971/11 May/June 2018

25 The reactions of three metals, P, Q and R, are shown. metal reacts with metal reacts dilute hydrochloric acid with water P yes no Q no no R yes yes What is the order of reactivity of the metals? most least reactive reactive A P Q R B Q R P C R Q P D R P Q

1 marks

Answer: D

This question in 0971/11 May/June 2019

15 When magnesium is heated with zinc oxide a reaction occurs. The equation is shown. Mg + ZnO → MgO + Zn Which substance is oxidised? A magnesium B magnesium oxide C zinc D zinc oxide

1 marks

Answer: A

This question in 0971/12 Oct/Nov 2019

25 Four unknown metals, Q, R, S and T, are reacted with water, steam and dilute hydrochloric acid. The results are shown in the table. reaction with reaction with reaction with dilute water steam hydrochloric acid Q slow reaction fast reaction fast reaction R no reaction no reaction no reaction S no reaction very slow reaction slow reaction T fast reaction explodes explodes Which statements are correct? 1 R is the least reactive metal. 2 T could be potassium. 3 S is more reactive than Q and R. 4 Metals react faster with steam than they do with water. A 1, 2 and 4 only B 1 and 2 only C 2 and 3 only D 3 and 4 only

1 marks

Answer: A

This question in 0971/12 Oct/Nov 2019

25 The properties of four metals, W, X, Y and Z, are shown. W It does not react with cold water but reacts with steam. X It does not react with water or dilute acid but the oxide of X is reduced by carbon. Y The oxide of Y is not reduced by carbon but Y reacts vigorously with cold water. Z It does not react with water or steam but reacts with dilute acid. What is the order of reactivity of the elements starting with the most reactive? most least reactive reactive A X W Z Y B X Z W Y C Y W Z X D Y Z W X

1 marks

Answer: C

This question in 0971/11 May/June 2020

25 The reactions of four metals, W, X, Y and Z, are shown. metal observations W reacts with steam and hydrochloric acid but not cold water X reacts with hydrochloric acid but not with steam or cold water Y reacts with hydrochloric acid and cold water Z does not react with hydrochloric acid What is the order of reactivity for metals W, X, Y and Z? most least reactive reactive A Y W X Z B Y X W Z C Z W X Y D Z X W Y

1 marks

Answer: A

This question in 0971/12 May/June 2020

30 Some properties of element Y are listed. ● It reacts with hydrochloric acid to make hydrogen gas. ● It reacts with steam but not with cold water. ● The oxide of Y cannot be reduced by carbon. What is element Y? A copper B iron C magnesium D sodium

1 marks

Answer: C

This question in 0971/12 Oct/Nov 2020

25 Some properties of metal J are listed. ● J does not react with cold water. ● J reacts with dilute hydrochloric acid. ● No reaction occurs when the oxide of J is heated with carbon. What is J? A copper B iron C magnesium D sodium

1 marks

Answer: C

This question in 0971/11 May/June 2021

27 Reactions of three metals and their oxides are shown. add dilute heat metal | hydrochloric acid metal oxide to metal with carbon 1 Jv Jv key 2 Jv x J/ = reacts 3 x Jv X = does not react What is the order of reactivity of these metals, from most reactive to least reactive? A 135253 B 15352 C 251593 DB 253-51

1 marks

Answer: C

This question in 0971/11 May/June 2022

25 The reactions of metals P, Q, R and S are shown. reaction reaction with reduction of the metal with water hydrochloric acid metal oxide with carbon P no reaction no reaction reduced Q slow vigorous no reaction R vigorous vigorous no reaction S very slow vigorous reduced What is the order of reactivity of the metals? least most reactive reactive A P S Q R B P Q S R C R S Q P D R Q S P

1 marks

Answer: A

This question in 0971/12 May/June 2022

16 When magnesium is heated with zinc oxide a reaction occurs. The equation is shown. Mg + ZnO  MgO + Zn Which substance is oxidised? A magnesium B magnesium oxide C zinc D zinc oxide

1 marks

Answer: A

This question in 0971/12 Oct/Nov 2022

21 Elements J and K are in the same period in the Periodic Table. J reacts with acids to produce a salt and hydrogen. K reacts with sodium to form an ionic compound. Which statement about J and K is correct? A An atom of J has more electrons than an atom of K. B J and K are both metals. C J and K are both non-metals. D J is to the left of K in the Periodic Table.

1 marks

Answer: D

This question in 0971/12 Oct/Nov 2022

25 Silver is below copper in the reactivity series. Which row describes the reactions of silver? reaction with steam reaction with dilute hydrochloric acid A no reaction no reaction B no reaction reacts to produce hydrogen gas C reacts to produce hydrogen gas no reaction D reacts to produce hydrogen gas reacts to produce hydrogen gas

1 marks

Answer: A

This question in 0971/12 Oct/Nov 2022

23 Which gas is made when powdered zinc is added to dilute hydrochloric acid? A carbon dioxide B chlorine C hydrogen D oxygen

1 marks

Answer: C

This question in 0971/11 May/June 2023

23 Which row identifies the properties of zinc? thermal reacts with conductivity dilute acid A good yes B good no C poor yes D poor no

1 marks

Answer: A

This question in 0971/12 May/June 2023

26 P, Q, R and S are metals. P reacts with dilute hydrochloric acid, forming hydrogen. Q reacts violently with water. R reacts with water to give hydrogen. S is formed by heating its oxide with carbon. Which row identifies the metals? P Q R S A copper sodium potassium iron B zinc magnesium calcium iron C zinc sodium calcium magnesium D iron potassium sodium zinc

1 marks

Answer: D

This question in 0971/12 May/June 2023

15 Zinc reacts slowly with dilute sulfuric acid at room temperature. Bubbles of a gas, L, form on the surface of the zinc. When a small amount of copper is added, the reaction is faster. Which row identifies L and explains why the reaction is faster? gas formed reason the reaction is faster in reaction A hydrogen copper acts as a catalyst B hydrogen copper is more reactive than zinc C oxygen copper acts as a catalyst D oxygen copper is more reactive than zinc

1 marks

Answer: A

This question in 0971/12 Oct/Nov 2023

27 The list gives the order of some metals and hydrogen in the reactivity series. Metal X is also included. most reactive K Mg Zn H X least reactive Cu Which row shows the properties of metal X? reacts with oxide reduced dilute acids by carbon A no no B no yes C yes no D yes yes

1 marks

Answer: B

This question in 0971/12 Oct/Nov 2023

27 Three metals, L, M and N, are added separately to dilute hydrochloric acid and cold water. The results are shown. reaction with dilute reaction with metal hydrochloric acid cold water L hydrogen forms no reaction M hydrogen forms hydrogen forms N no reaction no reaction What is the order of reactivity of the metals? least most reactive reactive A L N M B M L N C N L M D N M L

1 marks

Answer: C

This question in 0971/11 May/June 2024

28 Magnesium reacts with dilute hydrochloric acid. Which gas is given off in this reaction? A carbon dioxide B chlorine C hydrogen D oxygen

1 marks

Answer: C

This question in 0971/12 May/June 2024

19 The equation for the reaction of magnesium with copper(II) oxide is shown. Mg + CuO  MgO + Cu Which word describes this reaction? A combustion B decomposition C neutralisation D redox

1 marks

Answer: D

This question in 0971/12 Oct/Nov 2024

30 Four metals, W, X, Y and Z, are tested with either cold water, steam or both. The observations are shown. metal observations W reacts slowly with cold water X reacts rapidly with cold water Y does not react with cold water but reacts with steam Z does not react with cold water or steam What is the order of reactivity of the metals from the least reactive to the most reactive? least most reactive reactive A W X Y Z B W Y X Z C Z Y X W D Z Y W X

1 marks

Answer: D

This question in 0971/12 Oct/Nov 2024

25 The table shows the observations when four metals, Q, R, S and T, are added separately to cold water and to dilute hydrochloric acid. observation with observation with metal cold water dilute hydrochloric acid Q slow fizzing fizzing R no reaction fizzing S no reaction no reaction T vigorous fizzing vigorous fizzing Which row gives the order of reactivity of the metals? least most reactive reactive A S Q R T B T R Q S C S R Q T D T Q R S

1 marks

Answer: C

This question in 0971/11 May/June 2025

26 Magnesium is reacted separately with dilute sulfuric acid and with steam. Which row correctly identifies if hydrogen is formed as a product in each reaction? reaction with reaction with dilute sulfuric acid steam Jv v key ¥ = hydrogen is formed 0 0O WwW > v x x Jv X = hydrogen is not formed x x

1 marks

Answer: A

This question in 0971/11 May/June 2025

26 Which statements about metals are correct? 1 Calcium reacts faster than magnesium with cold water. 2 Aluminium is more easily extracted than iron from its ore. 3 Copper reacts faster than iron with dilute hydrochloric acid. 4 Potassium and silver are both good conductors of electricity. A 1 and 2 B 1 and 4 C 2 and 3 D 3 and 4

1 marks

Answer: B

This question in 0971/12 May/June 2025

27 Four metals, P, Q, R and S, are separately reacted with dilute hydrochloric acid. The table shows the observation for each metal. metal observation P lots of bubbles produced Q few bubbles produced R no bubbles produced S very few bubbles produced What is the order of reactivity of these four metals, from most reactive to least reactive? A R  S  Q  P B P  S  Q  R C P  Q  S  R D Q  R  P  S

1 marks

Answer: C

This question in 0971/12 May/June 2025

27 Substance G reacts with: ● dilute acids to produce hydrogen ● steam to produce a basic oxide ● oxygen to produce a basic oxide. What is substance G? A magnesium B phosphorus C silicon D silver

1 marks

Answer: A

This question in 0971/12 Oct/Nov 2025