Advertisements
Advertisements
प्रश्न
What is meant by the following term?
Decrepitation
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Ammonia is used in the Ostwald process.
Name the catalyst used in the process.
Give two chemical equations for the following:
Nitric acid acting as the oxidizing agent.
How will you prepare the following from nitric acid?
Magnesium nitrate
Name a solution which absorbs nitric oxide.
Describe the Ostwald's process for the manufacture of nitric acid with labeled diagram.
Give reason for the following:
Conc. Nitric acid renders iron passive.
Complete and balance the following equation:
Cu + HNO3 → NO2 + ________+ _________
The first step in the manufacture of nitric acid is the catalytic oxidation of ammonia. What is the name of the catalyst?
Dilute nitric acid is generally considered a typical acid except for its reaction with metals. In what way is dilute nitric acid different from other acids when it reacts with metals?
The figure given below illustrates the apparatus used in the laboratory preparation of nitric acid:
(i) Name A (a liquid), B( a Solid) and C(a liquid).
(ii) write the balanced chemical equation to show how nitric acid undergoes decomposition.
(iii) Write the balanced chemical equation for the reaction in which copper is oxidized by concentrated nitric acid.
