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2 Written questions

2 Multiple choice questions

  1. Test: Bubble through limewater
    Result: Limewater turns milky
    Equation: Ca(OH)₂ + CO₂ → CaCO₃ + H₂O
  2. Test: Damp Red litmus paper
    Result: Turns Blue

2 True/False questions

  1. Gas Ammonia (2)Test: Damp Red litmus paper
    Result: Turns Blue

          

  2. Gas: HydrogenTest: Mix with air and ignite
    Result: Burns with squeaky pop
    Equation: 2H₂O+ O₂ → 2H₂O