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6. what do you get when you add Iron(II) sulphate and sodium hydroxide solution

  • ammonia gas -> blue at top over time
  • dark green precipitate -> orange at top over time
  • white precipitate -> red at top over time

7. colour of flame with calcium chloride

  • hazelnut brown
  • brick red
  • lime green

8. what do you get when you add magnesium chloride and sodium hydroxide solution

  • green precipitate
  • white precipitate
  • blue precipitate

9. what do you get when you add copper sulphate and sodium hydroxide solution

  • blue preciptate
  • dark green precipitate
  • white precipitate

10. colour of flame with barium chloride

  • sea blue
  • apple green
  • brick red

11. what do you get when you add Aluminium sulphate and sodium hydroxide solution

  • green precipitate -> blue at top over time
  • white precipitate -> add more sodium hydroxide and redissolves
  • blue precipitate -> add more aluminium sulphate and redissolves

12. colour of flame with lithium chloride

  • forest green
  • crimson red
  • lilac/purple