Give the names of the elements present in the following compounds.
(a) Quick lime
(b) Hydrogen bromide
(c) Baking powder
(d) Potassium sulphate.
(a) Quick lime
(b) Hydrogen bromide
(c) Baking powder
(d) Potassium sulphate.
Solution and Explanation
(a) Quick lime - Calcium oxide - \( CaO\)
Elements – Calcium, oxygen.
(b) Hydrogen bromide- \(HBr\)
Elements- Hydrogen, bromine.
(c) Baking powder- Sodium hydrogen carbonate -\(NaHCO_3\)
Elements- Sodium, hydrogen, carbon, oxygen.
(d) Potassium sulphate- \(K_2SO_4 \)
Elements- Potassium, sulphur, oxygen.
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