Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Chapter
Acids, Bases and Salt Preparations
156 practice questions
Topics covered
- Reactions of acids18 practice questions
- Reacting acids with bases19 practice questions
- Reacting acids with carbonates19 practice questions
- Salt preparations19 practice questions
- Making soluble salts (except sodium, potassium and ammonium salts)19 practice questions
- Making sodium, potassium and ammonium salts18 practice questions
- Making insoluble salts19 practice questions
- Theories of acids and bases19 practice questions
Practice questions
1–10 of 66 · Easy
Question 1
1 mark · Easy
Answer and see the solution →State the products formed when iron reacts with dilute hydrochloric acid.
Question 2
3 marks · Easy
Answer and see the solution →Answer the following questions about acids and bases in terms of proton transfer.
(a)[1 mark]Define an acid in terms of proton transfer.
(b)[1 mark]Define a base in terms of proton transfer.
(c)[1 mark]State whether ammonia (NH₃) acts as an acid or a base when it reacts with hydrogen chloride gas. Explain your answer in terms of proton transfer.
Question 3
2 marks · Easy
Answer and see the solution →Explain, in terms of proton transfer, why hydrochloric acid acts as an acid when it reacts with potassium hydroxide.
Question 4
3 marks · Easy
Answer and see the solution →The table shows the effects of adding different metals to dilute sulfuric acid.
Observations when metals are added to sulfuric acid Metal Observation Calcium Fizzes rapidly, gas produced, solid disappears Copper No reaction Iron Slow fizzing, solid gradually disappears (a)[1 mark]State which metal does not react with dilute sulfuric acid.
(b)[1 mark]Write the balanced chemical equation for the reaction that takes place with calcium.
(c)[1 mark]Name the gas produced in the reaction with calcium.
Question 5
1 mark · Easy
Answer and see the solution →In terms of proton transfer, what does a base do?
Question 6
3 marks · Easy
Answer and see the solution →The following statements are about reactions of acids with carbonates.
(a)[1 mark]Write a word equation for the reaction between nitric acid and calcium carbonate.
(b)[1 mark]State the name of the salt produced in this reaction.
(c)[1 mark]Name the other two products formed in this reaction.
Question 7
2 marks · Easy
Answer and see the solution →Hydrochloric acid (HCl) reacts with sodium hydroxide (NaOH).
Define the terms acid and base in terms of proton transfer.
Question 8
3 marks · Easy
Answer and see the solution →In an experiment, iron(III) oxide reacts with dilute hydrochloric acid.
(a)[1 mark]Name the salt formed in this reaction.
(b)[1 mark]Write a balanced chemical equation for the reaction.
(c)[1 mark]State the other product formed, apart from the salt.
Question 9
2 marks · Easy
Answer and see the solution →Explain, using what happens to the hydrogen ions, why the reaction between sodium hydroxide and hydrochloric acid is classified as a neutralisation reaction.
Question 10
2 marks · Easy
Answer and see the solution →Explain which types of metal oxides form soluble alkalis when added to water. Give one example in your answer.