Question

a substance x which is an oxide of a group 2 element is used intensively in cement industry . this element is present in bones. on treatment with water it forms a solution which turns red litmus blue . identify x and also write chemical reactions involved.

Answer 1

Answer:

Explanation:

The substance 'X' is CaO (Calcium Oxide).....

When it is treated with water,

CaO+H2O-> Ca(OH)2....

Answer 2

Answer:

The element is Calcium and the substance X is Calcium Oxide (CaO). Calcium oxide is used

extensively in the cement industry and Calcium is present in our bones in the form of Calcium Phosphate.

CaO+H2O→Ca(OH)2

Calcium oxide dissolves in water to form a basic solution which turns red litmus blue