Give the names of the elements present in the following compounds.
(a) Quick lime

(b) Hydrogen bromide

(c) Baking powder

(d) Potassium sulphate.

The names of the elements present are:

(a) Quick lime – Calcium and Oxygen

(b) Hydrogen bromide – Hydrogen and Bromine

(c) Baking powder – Sodium, Carbon, Hydrogen, Oxygen

(d) Potassium sulphate – Sulphur, Oxygen, Potassium