Question

19. A substance X, which is an oxide of an element, is used intensively in the cement industry.
This element is present in bones also. On treatment with water it forms a solution which
turns red litmus blue.
(5)
(a) Identify X
(b) Identify the type of reaction.
(C) Write a balanced chemical equation for the above reaction.
(d) Write the common name of the product formed.
(e) What happens when carbon dioxide gas is passed through clear solution of above compound.​

Answer 1

19. A substance X, which is an oxide of an element, is used intensively in the cement industry.

This element is present in bones also. On treatment with water it forms a solution which

turns red litmus blue.

(5)

(a) Identify X

(b) Identify the type of reaction.

(C) Write a balanced chemical equation for the above reaction.

(d) Write the common name of the product formed.✔️✔️✔️

(e) What happens when carbon dioxide gas is passed through clear solution of above compound.