In order to prepare dry hydrogen chloride gas in humid atmosphere the gas produced is passed through a guard tube (drying tube) which contains:
(a) Calcium chloride
(b) Calcium oxide
(c) Calcium hydroxide
(d) Calcium carbonate
Correct Answer : Option (b) Calcium oxide
More Questions : In which one of the following situations a chemical reaction does not occur?
Watch Full Solution CBSE Class 10 Science Answer Key : Click Here
