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 [NCERT Exemplar Problems]
A. absorb the evolved gas
B. moisten the gas
C. absorb moisture from the gas
D. absorb CL ions from the evolved gas
Answer:C
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 [NCERT Exemplar Problems]
A. absorb the evolved gas B. moisten the gas C. absorb moisture from the gas D. absorb CL ions from the evolved gas