Question

Why CaCl2 is used in activity 2.9 to dry HCl class 10​

Answer 1

Answer:

As air flows through the wool and the calcium chloride, it is de-humidified so that the air entering the reaction chamber contains little or no moisture. A drying tube relieves pressure inside the reaction vessel by allowing gases to escape while preventing moisture from contaminating the reactants.

Explanation:

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