ICSE 1999 : SCIENCE Paper 2 (Chemistry) - Question 3(c) Answer the following.

SCIENCE
Paper 2 (Chemistry) - 1999
(One hour and a half)

Question 3
(c)

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1.
(i) When hydrogen sulphide reacts with oxidising agent, what substance is always a product of the reaction?

2.
(ii) What is the colour of the precipitate formed when hydrogen sulphide is bubbled through copper sulphate solution?

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