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Assertion:- Boric acid cannot be titrated with NaOH solution. Reason:- Cupellation is the process used to remove silver impurity from Pb. Reason:- This method is used when metal is easily oxidised by air but oxidation of impurity is not possible.A. If both Assertion `&` Reason are True `&` the Reason is a correct explanation of the Assertion.B. If both Assertion `&` Reason are True but Reason is not a correct explanation of the Assertion.C. If Assertion is True but the Reason is False.D. If both Assertion `&` Reason are False. |
| Answer» Correct Answer - B | |