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Assertion : Atomic mass of aluminium is ...

Assertion : Atomic mass of aluminium is 27.
Reason : An atom of aluminium is 27 times heavier than 1/12th of the mass of carbon-12 atom.

A

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

B

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

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
D
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