When solid `KOH` is mixed with solid `NH_(4)CI` a gas is produced. Which gas is it?

When 6 M hydrochloric acid is added to an unknonw white solid, a colourless gas is produced. What is a possible identify for this solid?

When a solid is heated, it turns directly into a gas. This process is called

On heating, (NH_(3))_(2)Cr_(2)O_(7) gives rise to a gas which on treatment with Mg ribbon gives a white solid. On dissolving white solid in water another gas (X) is evolved. It gives white fumes when a rod dipped in conc. HCl is brought in its contact. Identify the gas X.

Change of a solid to a gas

Smoke is colloidal solution of (1)Solid dispersed in liquid (2)Gas dispersed in solid (3)Solid dispersed in gas (4)Gas dispersed in liquid

The change of a solid into gas is called …… .

Solubility of solids and gas in liquids

An inogranic solid (X) when heated it produces turbidity in lime water. Same gas is also produced when salt reacts with dil. HCI (X) is:

The adsorption of gas on a solid surface varies with pressure of the gas in which of the following manner.