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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
पर्याय
Platinum black
Finely dividend nickel
Vanadium pentoxide
Platinum gauze
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उत्तर
Platinum gauze
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संबंधित प्रश्न
Ammonia is used in the Ostwald process.
Name the catalyst used in the process.
Name a metal nitrate which on heating is changed into metal oxide.
Give the chemical name and formula of the substance formed as a brown ring in the test for nitrate radical.
What is meant by the following term?
Fuming nitric acid
How can 68% nitric acid be concentrated to 98% nitric acid?
What do you observe when?
Concentrated nitric acid is dropped on a hot surface?
What happen when (Given balanced equation):
Nitric acid is added to washing soda and the resulting gas is passed through a freshly prepared lime water?
Complete and balance the following equation :
HNO3 + FeSO4 + H2SO4 → ______________
Name (formula is not acceptable) the gas produced in the following reaction:
On warming ammonium sulphate with sodium hydroxide solution.
Write the equation for the laboratory preparation of nitric acid from potassium nitrate and concentrated sulphuric acid.
