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प्रश्न
State, what is observe when nitric acid is kept in a reagent bottle for a long time.
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उत्तर
If nitric acid is kept in a bottle for long time then it will become brown in colour.
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संबंधित प्रश्न
What is passive iron?
Name the products formed when carbon and conc. nitric acid is heated.
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:
Concentrated nitric acid is a stronger oxidizing agent.
Write balanced equation and name the product formed when :
Cupric oxide reacts with nitric acid.
Explain, why only all glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.
Name the gas evolved:
The gas produced on heating sodium nitrate.
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.
