Question

A substance X, which is an oxide of a group 2 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. Identify X and also write the chemical reactions involved.

Assertion and Reason

If both assertion and reason are CORRECT and the reason is the CORRECT explanation of the assertion.

If both assertion and reason are CORRECT, but the reason is NOT THE CORRECT explanation of the assertion.

If the assertion is CORRECT, but the reason is INCORRECT

If the assertion is INCORRECT, but the reason is CORRECT





very big change to all​

Answer 1

Answer:

I don't understand this question

Answer 2

Substance X- Calcium oxide

1) Cao (Calcium oxide) + H2O (water) = Ca(OH)2 (Calcium Hydroxide) + Heat

Assertion and Reason

Option A) Both assertion and reason are correct and reason is the correct explanation of the assertion.