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प्रश्न
Give a balanced equation for the following reaction:
Copper reacts with concentrated nitric acid.
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उत्तर
\[\ce{Cu + 4HNO3 -> \underset{Copper nitrate}{Cu(NO3)2} + 2NO2 + 2H2O}\]
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संबंधित प्रश्न
Why is the temperature maintained at 200°C in the above reaction?
Can we use conc. HCl in place of Conc. H2SO4 ?
Brown ring disappear if the test tube is disturbed.
What do you observe when?
Hydrogen sulphide is bubbled through conc. HNO3?
What happen when (Given balanced equation):
Limestone reacts with nitric acid?
Why does pure nitric acid take on a yellowish brown colour when exposed to light?
Why should the temperature of the reaction mixture of nitric acid not be allowed to rise above 200oC?
Explain the following :
An all glass apparatus is used in the laboratory preparation of nitric acid.
Explain why only all-glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.
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.
