" iii) Calcium oxide "quad " iv) "

Calcium oxide is

Calcium oxide is called

The chemical reaction between Calcium oxide and water is:

Calcium oxide is called quick lime. It is prepared by the thermal decomposition of (i) calcium carbonate, (ii) calcium nitrate (iii) calcium sulphate, (iv) calcium hydroxide

The equivalent mass of calcium in calcium oxide is 20. find the percentage composition of calcium oxide.

1.Calcium carbonate + heat to Calcium oxide +Carbon dioxide 2.Calcium oxide + water to Calcium hydroxide + heat Mention the reactants and products in each case.

Explain the preparation and uses of the following compounds of calcium. i. Calcium oxide ii. Calcium hydroxide