Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Section
Reacting acids with carbonates
19 practice questions
Practice questions
1–8 of 8 · Normal
Question 1
2 marks · Normal
Answer and see the solution →State the general word equation for the reaction of an acid with a carbonate.
Question 2
4 marks · Normal
Answer and see the solution →(a)[2 marks]Write a balanced chemical equation for the reaction between calcium carbonate and nitric acid.
(b)[2 marks]Write a balanced chemical equation for the reaction between magnesium carbonate and sulfuric acid.
Question 3
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 4
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 5
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 6
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 7
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 8
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.