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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
Explain the following:
Concentrated nitric add appears yellow when it is left standing in a glass bottle.
Ammonia is used in the Ostwald process.
Name the oxidising agent used in this process.
Name a metal nitrate which on heating is changed into metal.
What is meant by the following term?
Decrepitation
Name the process used for the manufacture of nitric acid.
Give reason for the following:
Concentrated nitric acid is a stronger oxidizing agent.
Name (formula is not acceptable) the gas produced in the following reaction:
On warming ammonium sulphate with sodium hydroxide solution.
What would you observe in the following case:
Copper is heated with concentrated nitric acid in a hard glass test tube.
Write a balanced equation for following :
Laboratory preparation nitric acid.
Give one test to distinguish between the following pair of chemicals.
Zinc nitrate solution and calcium nitrate solution
