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प्रश्न
Ammonia is used in the Ostwald process.
Why is quartz used in this process?
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उत्तर
Quartz is acid resistant, and when packed in layers, it helps in dissolving nitrogen dioxide uniformly in water.
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संबंधित प्रश्न
Explain the following:
An all-glass apparatus is used in the laboratory preparation of nitric acid.
Name a metal nitrate which on heating is changed into metal oxide.
The chemical used in the brown ring test is ______.
Explain with the help of a balanced equation the brown ring test for nitric acid.
Give reason for the following:
Aqua regia dissolves gold and platinum.
Give two chemical tests for nitric acid.
Complete and balance the following equation :
HNO3 + FeSO4 + H2SO4 → ______________
Choose the correct answer from the option given below :
Nitric acid on standing develops brownish colour which may be attributed to the presence of :
Write the balanced equation for the equation preparation of nitric acid from potassium nitrate.
Explain, why only all glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.
