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4.2 Reactions of acids

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Question 12

A student added equal masses of three metals separately to equal volumes of the same dilute hydrochloric acid. The student measured the volume of gas produced in the first 60 seconds.

MetalVolume of gas in 60 seconds (cm³)
Magnesium42
Zinc18
Iron7

The student then adds the same mass of copper to the same volume of the acid.

Predict the volume of gas produced by the copper in the first 60 seconds. Explain your prediction, using the results in the table.

[3]
Markscheme

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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