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Assertion : A dilute solution of NaCN is used for leaching ores of silver and gold. Reason : Impurities present in these ores dissolve in NaCN

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 :C


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