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5 Written questions

5 Matching questions

  1. unstable water
  2. epsom salts
  3. cinnabar
  4. baking soda
  5. dry ice
  1. a mercury sulphide
  2. b carbon dioxide in a solid state
  3. c sodium bicarbonate
  4. d magnesium sulphate
  5. e hydrogen peroxide

5 Multiple choice questions

  1. magnesium hydroxide
  2. carbonic acid
  3. potassium nitrate
  4. iron oxide
  5. ethylene glycol

5 True/False questions

  1. coalpeat

          

  2. Rust removercitric acid

          

  3. chinese whitezinc oxide

          

  4. jewellers rougeiron (iii) oxide

          

  5. chalkcalcium carbonate