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

Q 5.     Give the names of the elements present in the following compounds.

             (a) Quick lime

             (b) Hydrogen bromide

             (c) Baking powder

             (d) Potassium sulphate.

Answers (1)
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The names of the elements present in the given compounds are :

 (a) Quick lime :

      Cao = Calcium and Oxygen.

 (b) Hydrogen bromide

       HBr = Hydrogen and Bromine.

 (c) Baking powder

      NaHCO_3 = Sodium, Hydrogen, Carbon, and Oxygen.

 (d) Potassium sulphate.

      K_2SO_4 = Potassium, Sulphur, and oxygen.

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