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4.1 Acids

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Question 7
F

A student adds dilute hydrochloric acid to two test tubes.

Test tube A contains magnesium ribbon. Test tube B contains marble chips (calcium carbonate). Bubbles of gas form in both test tubes.

a.

Name the gas produced in test tube A.

[1]
b.

Describe the test for the gas produced in test tube A. Give the result.

[2]
c.

Name the gas produced in test tube B.

[1]
d.

Describe the test for the gas produced in test tube B. Give the result.

[2]
e.

Name the salt formed in test tube A.

[1]
Markscheme

4.1 Acids Questions

  1. GCSE
  2. /Chemistry
  3. /4.1 Acids

44 exam-style questions on Edexcel GCSE Chemistry 4.1 Acids, covering 4.1.1 Acids, alkalis and the pH scale, 4.1.2 Hydrogen ion concentration and pH, 4.1.3 Dilute and concentrated, weak and strong acids, 4.1.4 Bases, alkalis and the reactions of acids, 4.1.5 Chemical tests for hydrogen and carbon dioxide, 4.1.6 Neutralisation as a reaction of acids with bases, 4.1.7 Preparing soluble salts, and 4.1.8 Solubility rules and preparing insoluble salts. Each one has a worked solution and a mark scheme showing where the marks go.

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