ICSE 1996 : SCIENCE Paper 2 (Chemistry) - Question 6(b) Answer the following.

SCIENCE
Paper 2 (Chemistry) - 1996
(One hour and a half)

Question 6
(b) Sulphur dioxide and chlorine are both used as bleaching agents:

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1.
(i) What is similar in the use of chlorine and sulphur dioxide as bleaching agents?

2.
(ii) How does the bleaching action of these two gases differ?

3.
(iii) What type of fibre should not be bleached using chlorine? Why should the use of chlorine be avoided for this fibre?

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