Question

Match the common name of the compound with its chemical name.

Column 1	Column 2
Bleaching powder	Sodium bicarbonate
Baking soda	Sodium carbonate
Washing soda	Calcium oxychloride
Plaster of Paris	Calcium sulphate hemihydrate

Answer 1

Each compound has a common name and a chemical formula that represents the type of elements and count of elements present in that compound.

A. The chemical name of bleaching powder is calcium oxychloride $\left({\mathrm{CaOCl}}_2\right)$.

B. The chemical name of baking soda is sodium bicarbonate $\left({\mathrm{NaHCO}}_3\right)$.

C. The chemical name of washing soda is sodium carbonate $\left({\mathrm{Na}}_2{\mathrm{CO}}_3\right)$.

D. The chemical name of plaster of Paris is calcium sulphate hemihydrate $\left({\mathrm{CaSO}}_4.0.5{\mathrm{H}}_2\mathrm{O}\right)$.

The correct answers are given below:

A. Bleaching powder	III. Calcium oxychloride
B. Baking soda	I. Sodium bicarbonate
C. Washing soda	II. Sodium carbonate
D. Plaster of Paris	IV. Calcium sulphate hemihydrate