Question

What is bleaching? Chemically, what is bleaching powder? Give its any four uses

Answer 1

Answer:

To make something white or lighter in colour by using a chemical or by leaving it in the sun..

Answer 2

Answer:

• The molecular formula of bleaching powder is $\ {CaOCl}_{2}$
• A chemical substance used to whiten or remove stains from textiles, paper, food products, and other substances are called bleaching powder  and the process is called as bleaching process.

The balanced chemical reaction for bleaching process is as followed below:

                            $\mathrm{Cl}_{2}(g)+\mathrm{Ca}(\mathrm{OH})_{2}(a q) \rightarrow {CaOCl}_{2}(a q)+\mathrm{H}_{2} \mathrm{O}(l)$

Uses of Bleaching Powder:

• It is used for bleaching process in textile industry.
• Used as oxidizing agent in chemical industry.
• Used as disinfectant in drinking water treatments.
• Used as unshrinkable agent.
• Used for chloroform preparation.