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प्रश्न
Explain, why only all glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.
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उत्तर
Nitric acid is highly corrosive in nature and corrodes cork, rubber, etc.
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संबंधित प्रश्न
Explain the following:
An all-glass apparatus is used in the laboratory preparation of nitric acid.
Name the products formed when dilute HNO3 is added to copper.
Name a metal nitrate which on heating is changed into metal oxide.
Mention three important uses of nitric acid. Give the property of nitric acid involved in the use.
Choose the correct answer from the option given below :
Nitric acid on standing develops brownish colour which may be attributed to the presence of :
Fill in the blank with appropriate word/words.
3 Cu + 8 HNO3 (dilute) → _______ + 4H2O + _________
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.
Write the equation to show the reaction between the following:
Dilute nitric acid to produce carbon dioxide.
Write the equation for the reaction of dilute nitric acid with copper.
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.
