1.

Assertion: Pb, Sn and Bi are purified by liquation, Reason: Pb, Sn and Bi have lower m.pt then the impurities present .

Answer»

Both A and R ar true and R is the correct EXPLANATION of A
Both A and R are true but R is not a correct explanation ofA
A is true but R is false
A is false but R is true

Solution :Both assertioin (A) and reason (R) are true and R is the correct explanation of A


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