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प्रश्न
The first step in the manufacture of nitric acid is the catalytic oxidation of ammonia. What is the name of the catalyst?
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उत्तर
Platinum gauze is used as catalyst in the manufacture of nitric acid.
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संबंधित प्रश्न
Explain the following:
Concentrated nitric add appears yellow when it is left standing in a glass bottle.
Give two chemical equations for the following:
Nitric acid acting as the oxidizing agent.
Give reason for the following:
Conc. Nitric acid renders iron passive.
Give reason for the following:
Aqua regia dissolves gold and platinum.
Give reason for the following:
Lighting is a blessing in disguise.
Write balanced equation and name the product formed when :
Zinc reacts with dilute nitric acid.
Give reason for the following:
Commercial concentrated nitric acid is yellow in colour, but when it is dilute with water, it turns colourless.
Give one chemical test for nitric acid.
What happens when
NH3 solution is added to CuSO4 solution drop by drop and then in excess.
Give one test to distinguish between the following pair of chemicals.
Zinc nitrate solution and calcium nitrate solution
The figure given below illustrates the apparatus used in the laboratory preparation of nitric acid.
- Name A (a liquid), B (a solid), and C (a liquid). (Do not give the formulae.)
- Write an equation to show how nitric acid undergoes decomposition.
- Write the equation for the reaction in which copper is oxidised by concentrated nitric acid.
