Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Section
Reactions of acids
18 practice questions
Practice questions
1–3 of 3 · Hard
Question 1
2 marks · Hard
Answer and see the solution →Sodium carbonate reacts with dilute hydrochloric acid.
Write the word equation for this reaction and name the gas produced.
Question 2
5 marks · Hard
Answer and see the solution →A piece of magnesium ribbon is added to dilute ethanoic acid in a test tube.
(a)[2 marks]Describe what you would observe during the reaction.
(b)[2 marks]Write a balanced chemical equation for this reaction.
(c)[1 mark]State one way you could test the gas given off and describe the result you would expect.
Question 3
2 marks · Hard
Answer and see the solution →In terms of proton transfer, explain the difference between an acid and a base.