Give the names of elements present in:-
(i)Phosphine (ii) Hydrogen bromide (iii) Quick lime (iv) Baking powder.
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a) Quick lime that is CaO - Oxygen and Calcium. b) Hydrogen bromide that is HBr - Bromine and Hydrogen. (c) Baking powder that is NaHCO3 - Carbon, Hydrogen, Oxygen and Sodium. (d) Potassium sulfate that is K2SO4 - Oxygen, sulfur and potassium.
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