Why are $H_2SO_4$ and $CaCl_2$ , not suitable for drying ammonia gas? They

are poisonous.

pollute the gas

are corrosive

react with the gas

Correct answer is D

$H_2SO_4$ and $CaCl_2$ are not suitable for drying ammonia gas because they react with the gas.

Ammonia is a basic gas, and both $H_2SO_4$ and $CaCl_2$ are acidic. When these two substances react, they form salts that contain ammonia. This can contaminate the ammonia gas and make it unusable.

In addition, $H_2SO_4$ is a corrosive substance, and $CaCl_2$ can be harmful to breathe in. Therefore, it is not safe to use these substances to dry ammonia gas.

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