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Practice Online Test Series for JEE Main 2018 & NEET 2018

Nitric acid whether diluted or concentrated

A.

Reacts with Al to give `H_2`

B.

Reacts with Al to give ` NO_2`

C.

Reacts with Al to give  `NH_4 NO_3`

D.

Hardly af fects Al

Solution

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Best answer

Al becomes passive in `HNO_3`