`NH_3` gas is dried over

Chlorine gas is dried over :

Chlorine gas is dried over :

Give one method of preparation of hydrochloric acid.Why this gas is not dried over quick lime ? How does it react with Ozone

Give one method of preparation of hydro chloric acid.Why this gas is not dried over quick lime ? How does it react with MnO_3

Why does a hot Pt-wire becomes brighter when NH_(3) gas is passed over it?

Ammonia gas is dried over

Chlorine gas is dried over