question_answer

  (a) To prepare iron sulphide, by heating a mixture of iron fillings and sulphur powder, which apparatus should be use? (b) What happens when magnet is rolledin the compound of iron sulphide?

Answer:

  (a) China dish is used as to avoid sidereactions and breakage at high temperature.                                           (1) (b) Iron sulphide is not attracted by magnet because it is not magnetic in nature.                                              (1)