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प्रश्न
Give reason for the following:
Aluminum does not react with nitric acid of any concentration.
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उत्तर
Aluminum does not react with nitric acid of any concentration because of the formation of extremely thin, unreactive, protective layer of insoluble metallic oxide on the surface of aluminium which stops further reaction.
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संबंधित प्रश्न
Write a balanced chemical equation for the following:
Action of cold and dilute Nitric acid on Copper
Name the gas evolved when the following mixtures are heated.
Sodium nitrite and ammonium chloride.
What is the type of salt formed when the reactants are heated at a suitable temperature for the preparation of nitric acid?
Ammonia is used in the Ostwald process.
What is the ratio of ammonia and air taken in this process?
Write an equation for the following conversions A, B, C and D.
Name the Following:
Two coloured nitrates.
What is meant by the following term?
Decrepitation
Can we use conc. HCl in place of Conc. H2SO4 ?
Give reason for the following:
Commercial concentrated nitric acid is yellow in colour, but when it is dilute with water, it turns colourless.
Give one chemical test for nitric acid.
Explain why only all-glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.
