Other questions in this quiz

2. why use sodium hydroxide?

  • to test for cations in solution
  • it has a low boiling point
  • it is a good solvent
  • to test for anions in solution

3. ammonium sulphate + sodium hydroxide=

  • ammonia gas + sodium sulphate + water
  • ammonium + sodium sulphate
  • ammonia gas + sodium + water
  • ammonia gas + sodium sulphate + water + hydrogen

4. iron (II) sulphate?

  • red
  • green
  • orange
  • brown

5. copper (II) sulphate?

  • blue
  • green
  • brown
  • yellow

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