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Which of the following gas was traditionally used to bleach paper?(a) Sulfur(b) Carbon dioxide(c) Chlorine(d) FluorineI have been asked this question in semester exam.I would like to ask this question from Green Chemistry in chapter Environmental Chemistry of Chemistry – Class 11

Answer» RIGHT choice is (c) Chlorine

To explain I would say: Chlorine gas was used to BLEACH paper. It has good oxidizing properties. Nowadays H2O2 with a suitable CATALYST is used for BLEACHING purposes as it does not contaminate groundwater.


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