1.

Assertion : Aluminium metal is used as a reducing agent for the extraction of metals. Reason : Aluminium has great affinity for oxygen.

Answer»

Both (A) and (R ) are TRUE and (R ) is the CORRECT EXPLANATION of (A).
Both (A) and (R ) are true and (R ) is not the correct explanation of (A).
(A) true but (R ) false.
Both (A) and (R ) are false.

Answer :A


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