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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
What is the type of salt formed when the reactants are heated at a suitable temperature for the preparation of nitric acid?
Why is freshly prepared ferrous sulphate solution used for testing the nitrate radical in the brown ring test?
Describe the Ostwald's process for the manufacture of nitric acid with labeled diagram.
Write balanced equation and name the product formed when :
Cupric oxide reacts with nitric acid.
What do you observe when?
Concentrated nitric acid is dropped on a hot surface?
Choose the correct answer from the option given below:
The catalyst used in the manufacture of HNO3 by Ostwald process is
Write balanced equation for the reaction between nitrogen and oxygen, when lightning strikes.
When nitric acid is prepared by the action of concentrated sulphuric acid on potassium nitrate. what is the special feature of the apparatus used?
The figure given below illustrates the apparatus used in the laboratory preparation of nitric acid:
(i) Name A (a liquid), B( a Solid) and C(a liquid).
(ii) write the balanced chemical equation to show how nitric acid undergoes decomposition.
(iii) Write the balanced chemical equation for the reaction in which copper is oxidized by concentrated nitric acid.
Explain the following :
An all glass apparatus is used in the laboratory preparation of nitric acid.
