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
31–40 of 156
Question 31
1 mark · Normal
Answer and check →Which of the following equations shows the products formed when potassium hydroxide reacts with nitric acid?
- A.KOH(aq) + HNO3(aq) → KNO3(aq) + H2O(l)
- B.KOH(aq) + HNO3(aq) → KNO2(aq) + H2(g)
- C.KOH(aq) + HNO3(aq) → KOH(s) + HNO3(aq)
- D.KOH(aq) + HNO3(aq) → K2O(aq) + NO2(g)
Question 32
2 marks · Normal
Answer and see the solution →Explain why the reaction between an acid and a metal hydroxide is classified as a neutralisation reaction.
Question 33
4 marks · Normal
Answer and see the solution →Answer the following about soluble and insoluble metal oxides.
(a)[1 mark]Name one metal oxide that is soluble in water.
(b)[1 mark]Write the chemical equation for its reaction with water.
(c)[1 mark]State the product that makes the resulting solution an alkali.
(d)[1 mark]Explain why most other metal oxides do not form alkalis when mixed with water.
Question 34
3 marks · Normal
Answer and see the solution →Hydrochloric acid reacts with sodium hydroxide in a neutralisation reaction.
Explain, using what happens to the ions in this reaction, why this process is classified as a neutralisation reaction.
Question 35
2 marks · Hard
Answer and see the solution →State the general word equation for the reaction between an acid and a metal oxide. Your answer should refer to the type of products formed.
Question 36
5 marks · Hard
Answer and see the solution →Lead(II) oxide reacts with sulfuric acid in a laboratory experiment.
(a)[1 mark]Name the type of chemical reaction that takes place.
(b)[2 marks]Give the names of the products formed in this reaction.
(c)[1 mark]Write a word equation for the reaction.
(d)[1 mark]Give a chemical symbol equation for the reaction.
Question 37
2 marks · Hard
Answer and see the solution →Explain why the reaction between an acid and a metal oxide is called a neutralisation reaction. Use your knowledge of ions to support your answer.
Question 38
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 39
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 40
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.