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4.1 Acids

4.1 Acids

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Question 189

A student investigates the reactivity of different metals by placing a small piece of each metal into a test tube containing dilute sulfuric acid.

When magnesium ribbon is added to the dilute sulfuric acid, effervescence is observed as a gas is produced, and a solution of magnesium sulfate is formed.

Which gas is produced in this reaction?

A

carbon dioxide

B

hydrogen

C

oxygen

D

sulfur dioxide

Markscheme

4.1 Acids Questions

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

276 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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