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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
Write an equation for the following conversions A, B, C and D.
How will you prepare the following from nitric acid?
copper nitrate
Give the chemical name and formula of the substance formed as a brown ring in the test for nitrate radical.
Nitric acid cannot be concentrated beyond 68% by the distillation of a dilute solution of HNO3, State the reason.
How can 68% nitric acid be concentrated to 98% nitric acid?
Fill in the blank with appropriate word/words.
98% nitric acid is obtained by distilling 68% nitric acid with ________ under ______
Describe what you see when concentrated nitric acid is added to copper.
Write a chemical equation to illustrate the acidic nature of nitric acid.
Explain the following:
Concentrated nitric acid appears yellow when it is left standing in a glass bottle.
Write a balanced equation for following :
Laboratory preparation nitric acid.
