Question

Acids are used in:

• A. sterilisation of water
• B. batteries
• C. manufacturing of soap
• D. making of white paper

Answer 1

Answer: (A), (B), (D)

The correct options are
A sterilisation of water
B batteries
D making of white paper

Acid is a chemical substance which forms ${\text{H}}^{+}\left(\text{aq}\right)$ ions when dissolved in water. They play an important role in our day to day life. Some of the uses of acids are given below.

1) Dilute hydrochloric acid $\left(\text{HCl}\right)$ is used for sterilisation of water.
2) Dilute sulphuric acid $\left({\text{H}}_2{\text{SO}}_4\right)$ is used in batteries.
3) Acids are also used for making of white papers from wood pulp.

Bases are used for manufacturing of soap.