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प्रश्न
What do you see when concentrated nitric acid is added to copper?
उत्तर
When concentrated nitric acid is added to copper brown fumes of nitrogen dioxide are observed.
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संबंधित प्रश्न
Name the Following:
Product obtained by heating concentrated nitric acid.
Nitric acid cannot be concentrated beyond 68% by the distillation of a dilute solution of HNO3, State the reason.
Explain with the help of a balanced equation, the brown ring test for nitric acid.
Give reason for the following:
Aqua regia dissolves gold and platinum.
Give two chemical tests for nitric acid.
Write balanced equation and name the product formed when :
Sodium hydrogen carbonate is added to nitric acid.
What happens when (Given balanced equation):
Nitric acid is added to Kl (aq)?
Give reason for the following:
In the laboratory preparation of nitric acid, the mixture of concentrated sulphuric acid and sodium nitatre should not be heated very strongly, above 200°C
Complete and balance the following equation:
Cu + HNO3 → NO2 + ________+ _________
Complete the table:
| Name of Process | Inputs | Equation | Output |
| Ammonia + Air | Nitric acid |
