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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
Give two chemical equations for the following:
Nitric acid acting as the oxidizing agent.
How will you prepare the following from nitric acid?
Lead nitrate
What is meant by the following term?
Fuming nitric acid
Give reason for the following :
Nitric acid usually does not yield hydrogen from acids.
Give reason for the following:
Concentrated nitric acid is brown in colour.
How will you prepare Aqua regia from nitric acid?
Name the product, catalyst and approximate temperature maintained in Ostwald's process. How is the temperature maintained in the Ostwald's process?
When nitric acid is prepared by the action of concentrated sulphuric acid on potassium nitrate. what is the special feature of the apparatus used?
Lead nitrate decomposes on heating to give ______.
A dilute acid B does not normally give hydrogen when reacted with metals but does give a gas when it reacts with copper. Identify B. Write the equation with copper.
