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प्रश्न
Explain, why only all glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.
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उत्तर
Nitric acid is highly corrosive in nature and corrodes cork, rubber, etc.
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संबंधित प्रश्न
How will you prepare the following from nitric acid?
Ferric nitrate
Explain with the help of a balanced equation, the brown ring test for nitric acid.
Give reason for the following:
In laboratory preparation of nitric acid all the apparatus including cork should be made up of glass.
What happen when (Given balanced equation) :
Nitric acid is dissolved in large amount of water?
Complete and balance the following equation:
Cu + HNO3 → NO2 + ________+ _________
Give the name of a soluble lead salt and write the equation for the action of heat on this salt.
The first step in the manufacture of nitric acid is the catalytic oxidation of ammonia. What is the name of the catalyst?
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.
What happens when
Common salt solution is added to silver nitrate solution and NH3 solution add to it.
From the following list of substances, choose one substance in the case which matches the description given below:
Ammonium nitrate, calcium hydrogen carbonate, copper carbonate, lead nitrate, potassium nitrate, sodium carbonate, sodium hydrogen carbonate, zinc carbonate.
A Substance that gives off only oxygen when heated.
