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4.2 Reactions of acids

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Question 13

Zinc granules are added to dilute sulfuric acid. The zinc slowly dissolves and bubbles of hydrogen form.

Zn(s)+H2SO4(aq)→ZnSO4(aq)+H2(g)\text{Zn}(s) + \text{H}_2\text{SO}_4(aq) \rightarrow \text{ZnSO}_4(aq) + \text{H}_2(g)Zn(s)+H2​SO4​(aq)→ZnSO4​(aq)+H2​(g)

A student says: “The zinc atoms lose electrons. The sulfate ions gain these electrons, so the sulfate ions are reduced.”

Evaluate the student's statement.

[2]
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4.2 Reactions of acids Questions

  1. GCSE
  2. /Chemistry
  3. /4.2 Reactions of acids

88 exam-style questions on AQA GCSE Chemistry 4.2 Reactions of acids, covering 4.2.1a Reactions of acids with metals, 4.2.1b Redox in acid-metal reactions, 4.2.2 Neutralisation of acids and salt production, 4.2.3 Soluble salts, 4.2.4 The pH scale and neutralisation, 4.2.5a Titrations, 4.2.5b Calculating quantities in titrations, and 4.2.6 Strong and weak acids. Each one has a worked solution and a mark scheme showing where the marks go.

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