Acids, Bases and Salts — Chemistry STD 10 — Question

a metal which forms a liquid alloys at ordinary temperature ?

Identify the substance Q based on the information given below:
The pale green solid R turns reddish brown on heating. Its aqueous solution gives a white precipitate with barium chloride solution. The precipitate is insoluble in mineral acids.

How is the gas collected and why?

Correct the statement, if required
Under the same conditions of temperature and pressure, equal volumes of all gases contain the same number of atoms.

Name:
a nitrate of metal which on heating does not give nitrogen dioxide 

which element has the highest ionisation potential.

Distinguish between the following (using ammonia solution) Sodium sulphate and ammonium sulphate.

Write the equation for the following : Ammonium chloride is treated with sodium hydroxide.

A hydrocarbon which on catalytic hydrogenation gives a saturated hydrocarbon.