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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
Ammonia is used in the Ostwald process.
Name the catalyst used in the process.
Name a metal nitrate which on heating is changed into metal.
What is meant by the following term?
Fuming nitric acid
Nitric acid cannot be concentrated beyond 68% by the distillation of a dilute solution of HNO3, State the reason.
How can 68% nitric acid be concentrated to 98% nitric acid?
Fill in the blank with appropriate word.
Furning nitric acid is obtained by dissolving an excess of _______ in conc. Nitric acid
Fill in the blank with appropriate word/words.
98% nitric acid is obtained by distilling 68% nitric acid with ________ under ______
Write balanced equation for the preparation of nitric acid from potassium nitrate.
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 of dilute nitric acid with copper.
