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Ammonia

Among Ca Cl...

Question

Among $C a {C l}_{2}, H_{2} S O_{4}$ and $C a O$ , which compound can be used for the drying of ammonia gas? Why?

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Solution

${C a C l}_{2}$ is an acidic salt.
$H_{2} {S O}_{4}$ is an acid.
$C a O$ is basic in nature and is known to absorb moisture.
Ammonia is a basic gas and in order to dry ammonia without any reaction we will prefer $C a O$ .

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