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प्रश्न
Choose the correct answer from the option given below:
The catalyst used in the manufacture of HNO3 by Ostwald process is
विकल्प
Platinum black
Finely dividend nickel
Vanadium pentoxide
Platinum gauze
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उत्तर
Platinum gauze
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संबंधित प्रश्न
Name a metal nitrate which on heating is changed into metal oxide.
The chemical used in the brown ring test is ______.
Name the following :
Gas produced in air during lighting.
Why is freshly prepared ferrous sulphate solution used in the ring test?
What do you observe when?
Scrap zinc is heated with conc. HNO3?
Choose the correct answer from the option given below :
Concentrated nitric acid oxidises phosphorus to :
What is the special feature of the apparatus that is used in the laboratory preparation of nitric acid?
Explain the following :
An all glass apparatus is used in the laboratory preparation of nitric acid.
Give one test to distinguish between the following pair of chemicals.
Zinc nitrate solution and calcium nitrate solution
Give a balanced equation for the following reaction:
Copper reacts with concentrated nitric acid.
