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प्रश्न
What is meant by the following term?
Decrepitation
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उत्तर
It is the breaking of a substance usually accompanied by the emission of a crackling sound. An example of a substance that decomposes on heating is Lead nitrate, Pb(NO3)2.
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संबंधित प्रश्न
Give a balanced chemical equation for Laboratory preparation of Nitric acid.
Explain the following:
An all-glass apparatus is used in the laboratory preparation of nitric acid.
Ammonia is used in the Ostwald process.
Name the catalyst used in the process.
How will you prepare the following from nitric acid?
Ferric nitrate
Mention three important uses of nitric acid. Give the property of nitric acid involved in the use.
Give reason for the following:
In laboratory preparation of nitric acid all the apparatus including cork should be made up of glass.
Give two chemical tests to distinguish between dilute nitric acid and hydrochloric acid.
Fill in the blank with appropriate word/words.
3 Cu + 8 HNO3 (dilute) → _______ + 4H2O + _________
What do you see when concentrated nitric acid is added to copper?
Lead nitrate decomposes on heating to give ______.
