Give the names of the elements present in the following compounds: (a) Quick time (b) Hydrogen bromide (c) Baking powder (d) Potassium sulphate.
(a) Quick lime → Calcium oxide Elements → Calcium and oxygen (b) Hydrogen bromide Elements → Hydrogen and bromine (c) Baking powder → Calcium hydrogen carbonate Elements → Calcium, hydrogen, carbon and oxygen (d) Potassium sulphate Elements → Potassium, sulphur and oxygen