Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Section
Reacting acids with bases
19 practice questions
Practice questions
1–10 of 19
Question 1
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 2
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 3
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 4
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 5
1 mark · Easy
Answer and see the solution →What are the products when lithium hydroxide reacts with nitric acid?
Question 6
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 7
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 8
1 mark · Easy
Answer and see the solution →State the general word equation for the reaction between a metal hydroxide and an acid.
Question 9
2 marks · Normal
Answer and see the solution →State the general word equation for the reaction between an acid and a metal oxide.
Question 10
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.