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Statement-1 : Atomic mass of sodium is 2...

Statement-1 : Atomic mass of sodium is 23u
Statement-2 : An atom of sodium is 23 times heavier than atom of C-12 isotope

A

If both assertion and reason are true, and reason is the true explanation of the assertion.

B

If both assertion and reason are true, but reason is not the true explanation of the assetion.

C

If assertion is true, but reason if false

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
C

Correct R. An atom of sodium is 23 times heavier than `(1)/(12)th` of the mass of an atom of carbon - 12 isotope.
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