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प्रश्न
Explain the following :
An all glass apparatus is used in the laboratory preparation of nitric acid.
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उत्तर
An all-glass apparatus is used in the laboratory preparation of nitric acid because nitric acid vapour corrodes rubber and cork.
संबंधित प्रश्न
Name the gas evolved when the following mixtures are heated.
Sodium nitrite and ammonium chloride.
Name a metal nitrate which on heating is changed into metal oxide.
Give reason for the following:
Aqua regia dissolves gold and platinum.
Complete and balance the following equation :
SO2 + HNO3 → ______________
Complete and balance the following equation :
FeSO4 + NO + H2O → ______________
State the conditions for the oxidation of ammonia to nitrogen monoxide [nitric oxide], in the manufacture of nitric acid by Ostwald's process. Write the balanced equcation for the reaction.
Write a balanced equation for the production of nitrogen dioxide using copper.
Write a chemical equation to illustrate the acidic nature of nitric acid.
Name the gas evolved:
The gas produced on heating sodium nitrate.
What would you observe in the following case:
Copper is heated with concentrated nitric acid in a hard glass test tube.
