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Q. no 17 is Assertion - Reasoning based ...

Q. no 17 is Assertion - Reasoning based questions.
These consist of two statements – Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below:
Assertion (A): A white washed wall develops a coating of calcium carbonate after a few days.
Reason (R): Calcium oxide on the wall reacts slowly with carbon dioxide in the air.

A

Both A and R are true and R is the correct explanation of A

B

Both A and R are true and R is not the correct explanation of A

C

A is true but R is false

D

A is False but R is true

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