Question

3. When hydrogen chloride gas is prepared 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
(a) absorb the evolved gas
(D) moisten the gas
(c) absorb moisture from the gas
absorb CI ions from the evolved
​

Answer 1

Answer:

Calcium chloride is used as an absorbent in the guard tube while hydrogen chloride is being formed on a humid day as it can absorb the moisture present in the air