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प्रश्न
Correct the following, if required:
Nitric acid remains colourless even when exposed to light.
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उत्तर
Nitric acid turns yellow solution when exposed to light.
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संबंधित प्रश्न
Name a nitrate of metal which on heating does not give nitrogen dioxide.
Name a nitrate which on heating leaves no residue behind.
From the following list of substances, choose one substance in each 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 nitrate which gives off only oxygen when heated
From the following list of substances, choose one substance in each 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 nitrate which on heating decomposes into dinitrogen oxide [nitrous oxide] and steam.
Fill in the blank:
Aqua regia is a mixture of 3 parts ------------ and one part ------------.
Fill in the blank:
The catalytic oxidation of ammonia to nitric oxide is ------------. (exothermic / endothermic)
process.
State one observation for the following:
Concentrated nitric acid is reacted with sulphur.
Complete the following equations :
3 Cu + dil. HNO3
What is meant by the following term?
Aqua regia
Give a balanced equation for the following:
Oxidation of carbon with conc. nitric acid.
