A & B are two gases 'A' is identified with the glass rod dipped in `NH_(3)` and 'B' is identified with the glass rod dipped in HCl. Then A, B are

A and B are two gases. ‘A’is identified with a glass rod dipped in NH, and the gas 'B' is identified with a glass rod dipped in HCI. 'A' and 'B' are respectively

A gas which gives dense white fumes with rod dipped in HCl.

A glass rod is dipped in a liquid, so that glass rod becomes invisible. The cause is

When a glass rod is rubbed with silk, it

When a glass rod is rubbed with silk, it

What happens when a glass rod dipped into ammonia solution is exposed to HCI gas ?

If a glass prism in dipped in water its dispersive power