1.

Assertion (A) : The atomic mass of magnesium is 24. Reason (R) : Magnesium atom is 24 times heavier than that of 1 /12 of mass of carbon. A) A and R are true, A is supported by R B) A and R are true, A is not supported by R C) A and R are false D) A is true but R is false

Answer»

A) A and R are true, A is supported by R



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