Q. 234.5( 17 Votes )

Give the names of the elements present in the following compounds:

(a) Quick lime

(b) Hydrogen bromide

(c) Baking powder

(d) Potassium sulphate

Answer :

(a) Quick lime: Quick lime is calcium oxide (CaO) and the elements present are calcium and oxygen.

(b) Hydrogen bromide: Hydrogen bromide (HBr) consists of elements hydrogen and bromine.


(c) Baking powder: Baking powder or sodium bicarbonate (NaHCo3) consists of elements sodium, hydrogen, carbon and oxygen.


(d) Potassium sulphate: Potassium sulphate (K2SO4) consists of elements potassium, sulphur and oxygen.


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