Give the names of the elements present in the following compounds: (a) Quick lime (b) Hydrogen bromide (c) Baking powder (d) Potassium sulphate

Compound Chemical Formula Elements present
Quick lime CaO Calcium, Oxygen
Hydrogen bromide HBr Hydrogen, Bromine
Baking powder NaHCO3 Sodium, Hydrogen, Carbon, Oxygen
Potassium sulphate K2SO4 Potassium, Sulphur, Oxygen