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CBSE Notes 2011-2012

During the preparation of hydrogen chloride gas on a humid day, the gas is usually passed through th...

Multiple choice question

During the preparation of hydrogen chloride gas on a humid day, the gas is usually passed through the guard tube containing calcium chloride. The role of calcium chloride taken in the guard tube is to

unknown

absorb the evolved gas

unknown

moisten the gas

unknown

absorb moisture from the gas

unknown

absorb CI ions from the evolved gas