Question

akuminium does not react with concentrated nitric acid why​

Answer 1

Answer:

When the density of nitric acid is greater than 60%(approx) it helps Aluminium to oxidise than to react with it to form aluminium nitrate. So when the layer of Al2O3 covers the aluminium container then acid cannot come contact with the acid and thus reaction is stopped.

Explanation:

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Answer 2

Answer:

When the density of nitric acid is greater than 60%(approx) it helps Aluminium to oxidise than to react with it to form aluminium nitrate. So when the layer of Al2O3 covers the aluminium container then acid cannot come contact with the acid and thus reaction is stopped .