Answers

2016-02-23T19:41:05+05:30
Chloroform is slowly oxidised by Oxygen present in air in the presence of light to Carbonyl Chloride -an extremely poisonous gas.so it is kept in dark coloured and sealed bottle,so that it does not react with sunlight.
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2016-02-23T19:42:48+05:30
Chloroform is highly reactive that is it oxidises in the presence of air to give rise to a poisonous compound. so to restore its original properties, chloroform us stored in dark coloured and sealed bottle.
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