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Question

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


A

True

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B

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 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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Physical Properties of Nitric Acid
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