Assertion and Reason
1). Assertion:- Atomic mass of aluminium is 27
Reason:- An atom of aluminum is 27 times heavier than 1/12 th of the mass of the c-12 atom
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A): Atomic mass of aluminium is 27.. (R): An atom of aluminium is 27 times heavier than 1/12th of the mass of the C 12 atom. - A and R are correct, R explains the A. - A is correct, R is wrong.
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