ICSE 1998 : SCIENCE Paper 2 (Chemistry) - Question 1(f) Answer the following.

SCIENCE
Paper 2 (Chemistry) - 1998
(One hour and a half)

Question 1
(f) (i) Sodium hydroxide solution can be used to distinguish between iron (II) sulphate solution and iron (III) sulphate solution because these solutions give different coloured precipitates with sodium hydroxide solution. Give the colour of the precipitate formed with :

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21.
(1) Iron (II) sulphate solution

22.
(2) Iron (III) sulphate solution.

23.
(ii) What will you see when barium chloride solution is added to iron (II) sulphate solution?

24.
(iii) How will the action of dilute hydrochloric acid on sodium carbonate and sodium sulphite enable you to distinguish between these two compounds?

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