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
11–20 of 66 · Easy
Question 11
3 marks · Easy
Answer and see the solution →The table below shows three reactions of different metal oxides with acids. For each reaction, complete the table by writing the salt and water produced.
Acid Metal oxide Salt Water produced? sulfuric acid calcium oxide nitric acid zinc oxide hydrochloric acid magnesium oxide (a)[3 marks]Complete the table.
Question 12
1 mark · Easy
Answer and see the solution →What are the products when lithium hydroxide reacts with nitric acid?
Question 13
3 marks · Easy
Answer and see the solution →Potassium hydroxide is added to an acid in excess. Answer the following questions.
(a)[2 marks]Explain why the reaction is described as a neutralisation reaction.
(b)[1 mark]Write the general word equation for this type of reaction.
Question 14
2 marks · Easy
Answer and see the solution →A student wants to make an alkaline solution by dissolving a metal oxide in water.
(a)[1 mark]Name one metal oxide that will produce an alkali when dissolved in water.
(b)[1 mark]Write a chemical equation for its reaction with water.
Question 15
1 mark · Easy
Answer and see the solution →State the general word equation for the reaction between a metal hydroxide and an acid.
Question 16
3 marks · Easy
Answer and see the solution →Hydrochloric acid reacts with magnesium carbonate in an aqueous solution.
(a)[2 marks]Write the balanced chemical equation for this reaction.
(b)[1 mark]Name the salt formed in this reaction.
Question 17
2 marks · Easy
Answer and see the solution →A student adds sodium carbonate to an excess of dilute sulfuric acid in a beaker.
(a)[1 mark]Name all products formed in this reaction.
(b)[1 mark]State the gas produced.
Question 18
2 marks · Easy
Answer and see the solution →Explain, using ions, how carbon dioxide and water are formed when a carbonate reacts with an acid.
Question 19
3 marks · Easy
Answer and see the solution →Observations when adding dilute acids to various carbonates Carbonate Acid used Gas seen Other products Zinc carbonate Hydrochloric acid Yes Zinc chloride, water Potassium carbonate Sulfuric acid Yes Potassium sulfate, water Study the table above. Answer the following:
(a)[1 mark]What word equation best fits the reactions shown?
(b)[1 mark]Name the gas that is always formed.
(c)[1 mark]What other product, besides a salt and gas, is always formed?
Question 20
1 mark · Easy
Answer and see the solution →Write the balanced chemical equation for the reaction of lithium carbonate with nitric acid.