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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
The action of heat on the blue crystalline solid X gives a reddish brown gas Y, a gas which re-lights a glowing splint and leaves a black residue. When gas Z, which has a rotten egg smell, is passed through a solution of X, a black ppt. is formed.
- Identify X, Y and Z.
- Write the equation for the action of heat on X.
- Write the equation between solution X and gas Z.
Name the Following:
Two coloured nitrates.
Give reason for the following:
Conc. Nitric acid renders iron passive.
Write balanced equation and name the product formed when :
Zinc reacts with dilute nitric acid.
What happen when (Given balanced equation) :
Nitric acid is dissolved in large amount of water?
Complete and balance the following equation :
HNO3 + FeSO4 + H2SO4 → ______________
Name the product, catalyst and approximate temperature maintained in Ostwald's process. How is the temperature maintained in the Ostwald's process?
What would you observe in the following case:
Copper is heated with concentrated nitric acid in a hard glass test tube.
Explain why nitric acid is kept in a reagent bottle for a long time.
The figure given below illustrates the apparatus used in the laboratory preparation of nitric acid.
- Name A (a liquid), B (a solid), and C (a liquid). (Do not give the formulae.)
- Write an equation to show how nitric acid undergoes decomposition.
- Write the equation for the reaction in which copper is oxidised by concentrated nitric acid.
