Question

water was formed when Al reacts with HNO3​

Answer 1

Explanation:

Water was react HNO3 with nitric acid and form AI

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Answer 2

Although aluminium reacts with dilute nitric acid to produce aluminium nitrate and hydrogen gas, concentrated (>60%) nitric acid is such a powerful oxidising agent that it instantly causes a thin layer of aluminium oxide to coat the surface of the aluminium. ... It'll react only when nitric is very dilute .

Aluminum react with nitric acid

Al + 4HNO3 → Al(NO3)3 + NO + 2H2O

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