Question

A) If both assertion and reason are true and reason is the correct explanation for

assertion.

(B) If both assertion and reason are true but reason is not the correct explanation for

assertion.

(C) If assertion is true but reason is not a true statement.

(D) If assertion is false but reason is a true statement.

(E) If both assertion and reason are false

21. Assertion- When CO2 gas is passed through lime water, a white precipitate is initially

formed

Reason - White precipitate is of calcium carbonate which is formed during the reaction.​

Answer 1

Answer:

Ans 1) Plants, animals, and microbes are interdependent. This makes the ecosystem self-regulating and self-sustaining with all the components of the ecosystem. So, the correct answer is option A. Both assertion and reason are true and reason is the correct explanation of assertion.

Ans 2)Plants, animals, and microbes are interdependent. This makes the ecosystem self-regulating and self-sustaining with all the components of the ecosystem. So, the correct answer is option A. Both assertion and reason are true and reason is the correct explanation of assertion.

Ans 3) forms a salt with aniline

which deactivates the benzene ring there by preveting F.C. reaction.

Ans 4)