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
21–30 of 156
Question 21
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.
Question 22
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 23
1 mark · Easy
Answer and see the solution →What are the products when lithium hydroxide reacts with nitric acid?
Question 24
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 25
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 26
1 mark · Easy
Answer and see the solution →State the general word equation for the reaction between a metal hydroxide and an acid.
Question 27
2 marks · Normal
Answer and see the solution →State the general word equation for the reaction between an acid and a metal oxide.
Question 28
4 marks · Normal
Answer and see the solution →Magnesium oxide reacts with hydrochloric acid in a beaker. Answer the following questions about this reaction.
(a)[1 mark]State the names of the products formed in this reaction.
(b)[2 marks]Write the balanced chemical equation for the reaction.
(c)[1 mark]Describe the visible change that could be seen during this reaction.
Question 29
3 marks · Normal
Answer and see the solution →Group 1 metal oxides behave differently from most other metal oxides when mixed with water.
Explain, using examples, which metal oxides form alkalis when dissolved in water.
Question 30
4 marks · Normal
Answer and see the solution →The table below lists the reactants in several experiments. Complete the table by stating the salt and water produced for each reaction between an acid and a metal oxide.
Reactions of acids with metal oxides Acid Metal oxide Salt formed Water formed? Sulfuric acid Copper(II) oxide Hydrochloric acid Iron(III) oxide Nitric acid Zinc oxide