Write the balanced chemical equation for the preparation of Zinc sulphate.

Give the balanced chemical equation for ferric hydroxide reacts with nitric acid.

Give the balanced chemical equation for the preparation of sodium sulphate from sodium carbonate.

Give the balanced chemical equation for the action of $\mathrm{KOH}$on ${\mathrm{ZnSO}}_4$.

Identify the term or substance based on the description given below.

A chemical reaction in which electrons are lost by one substance and gained by another.

Identify the term or substance based on the description given below.

A compound which is deliquescent.

Identify the term or substance based on the description given below.

A formula which shows the simplest whole number ratio.

Write the balanced chemical equation for the following.

Water containing small amount of dil. ${\mathrm{H}}_2{\mathrm{SO}}_4$ is electrolysed.