Write the chemical formula

Bleaching powder, common salt,baking soda, washing soda

(a)Bleaching powder:-CaOCl₂

Uses:- It is used for disinfection of drinking water at the water works and the water in the swimming pool.

(b) Common salt:-NaCl

Uses:- It gives a salty taste to food and is the most used of all

salts.

(c)Baking soda:- NaHCO₃

Uses:- Being basic in nature it is used to reduce acidity in the stomach.

(d)Washing soda:- Na₂CO₃.H₂O

Uses:- It is used mainly for washing clothes.