Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Section
Reacting acids with carbonates
19 practice questions
Practice questions
11–19 of 19
Question 11
3 marks · Normal
Answer and see the solution →Explain, with reference to ions, why carbon dioxide and water are formed when a carbonate reacts with an acid. Write the ionic equation for this reaction.
Question 12
4 marks · Normal
Answer and see the solution →Observations from adding dilute acids to metal carbonates Carbonate Acid used Colour before Colour after Gas formed Other changes Copper(II) carbonate sulfuric acid green blue yes solution forms Sodium carbonate hydrochloric acid white colourless yes solution forms Calcium carbonate nitric acid white colourless yes solid disappears Use the table above.
State the general word equation for the reaction between an acid and a carbonate, based on the observations.
Question 13
1 mark · Normal
Answer and check →Which of the following is the balanced chemical equation for the reaction of zinc carbonate with hydrochloric acid?
- A.\ce{ZnCO3(s) + 2HCl(aq) -> ZnCl2(aq) + CO2(g) + H2O(l)}
- B.\ce{ZnCO3(s) + HCl(aq) -> ZnCl2(aq) + CO2(g)}
- C.\ce{ZnCO3(s) + 2HCl(aq) -> ZnCl2(aq) + CO2(g)}
- D.\ce{ZnCO3(s) + HCl(aq) -> ZnCl(aq) + CO2(g) + H2O(l)}
Question 14
2 marks · Normal
Answer and see the solution →Name the two products formed, apart from the salt, when a carbonate reacts with a dilute acid.
Question 15
4 marks · Normal
Answer and see the solution →(a)[2 marks]Write the ionic equation for the reaction between carbonate ions and hydrogen ions.
(b)[2 marks]Explain why water is formed in this reaction.
Question 16
3 marks · Normal
Answer and see the solution →A student adds powdered calcium carbonate to an excess of dilute nitric acid in a beaker. Bubbles of gas are observed.
State the chemical names of the three products formed in this reaction.
Question 17
2 marks · Hard
Answer and see the solution →State the general word equation for the reaction of a carbonate with an acid. Identify all the types of products that are always formed in this reaction.
Question 18
5 marks · Hard
Answer and see the solution →A student adds an excess of dilute nitric acid to a sample of iron(II) carbonate in a beaker.
(a)[2 marks]Write the balanced chemical equation for this reaction.
(b)[1 mark]Name the salt formed in this reaction.
(c)[2 marks]Write the total ionic equation for this reaction, omitting spectator ions.
Question 19
2 marks · Hard
Answer and see the solution →A student adds sodium carbonate to an excess of dilute hydrochloric acid. Bubbles are seen. Name the two non-salt products formed in this reaction.