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प्रश्न
State, what is observe when nitric acid is kept in a reagent bottle for a long time.
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
Write balanced chemical equations for Action of hot and concentrated Nitric acid on copper
Write a balanced equation and name the products formed when:
zinc reacts with dilute nitric acid
What happen when (Given balanced equation) :
Nitric acid is dissolved in large amount of water?
Explain, why only all glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.
Write the equation for the reaction:
Aluminum, Nitride and Water.
Name the gas evolved:
The gas produced on heating sodium nitrate.
Why should the temperature of the reaction mixture of nitric acid not be allowed to rise above 200oC?
Explain the following:
Concentrated nitric acid appears yellow when it is left standing in a glass bottle.
Explain the following :
An all glass apparatus is used in the laboratory preparation of nitric acid.
Give one test to distinguish between the following pair of chemicals.
Zinc nitrate solution and calcium nitrate solution.
