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प्रश्न
Fill in the blank with appropriate word/words.
3 Cu + 8 HNO3 (dilute) → _______ + 4H2O + _________
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उत्तर
3Cu + 8HNO3 (dilute) → 3Cu(NO3)2 + 4H2O + 2NO
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संबंधित प्रश्न
Name the products formed when dilute HNO3 is added to copper.
Give reason for the following:
Commercial nitric acid is yellow in colour, but when it is diluted with water, it turns colourless.
Give reason for the following:
Concentrated nitric acid is brown in colour.
What do you observe when?
Concentrated nitric acid is dropped on a hot surface?
What do you observe when?
Hydrogen sulphide is bubbled through conc. HNO3?
What do you observe when?
Scrap zinc is heated with conc. HNO3?
What happen when (Given balanced equation):
Nitric acid is added to washing soda and the resulting gas is passed through a freshly prepared lime water?
Complete and balance the following equation :
Pt + HNO3 + HCl → ___________
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
Explain why only all-glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.
