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5 Written questions

5 Matching questions

  1. Rust remover
  2. antifreeze
  3. chalk
  4. blue vitriol
  5. sand
  1. a phosphoric acid
  2. b silicon oxide
  3. c copper sulphate
  4. d ethylene glycol
  5. e calcium carbonate

5 Multiple choice questions

  1. calcium shulphate
  2. iron (iii) oxide
  3. calcium carbonate
  4. iron oxide
  5. hydrated sodium carbonate

5 True/False questions

  1. coalcalcium carbonate

          

  2. glauber's saltsodium sulphate

          

  3. fruit juicecitric acid

          

  4. unstable waterhydrogen peroxide

          

  5. dry icecarbon dioxide in a solid state