Boiling cannot be used to concentrate Nitric Acid beyond a certain concentration.

True

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False

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Solution

The correct option is A
True

On boiling, the mixture evolves out the vapours of both acid and water in the same proportion as in the liquid.When the temperature reaches 121 $^{\circ}$ C it reaches a maximum of 68% of the concentration beyond which it starts to evolve vapours of nitrogen dioxide and water.

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Nitric acid cannot be concentrated beyond 68% by the distillation of dilute solution of $H N O_{3}$

Concentrated nitric acid $H N O_{3}$ is not a strong oxidizing agent.

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