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प्रश्न
Give reason for the following:
In laboratory preparation of nitric acid all the apparatus including cork should be made up of glass.
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उत्तर
ln laboratory preparation of nitric acid all the apparatus including cork should be made up of glass because nitric acid vapours are highly corrosive in nature and corrodes cork, rubber etc.
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संबंधित प्रश्न
Give two chemical equations for the following:
Nitric acid acting as the oxidizing agent.
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.
Give reason for the following:
Nitric acid is used in purification of gold.
Give reason for the following :
Nitric acid usually does not yield hydrogen from acids.
Give reason for the following:
Lighting is a blessing in disguise.
Complete and balance the following equation :
FeSO4 + NO + H2O → ______________
Complete and balance the following equation :
HNO3 + FeSO4 + H2SO4 → ______________
Name (formula is not acceptable) the gas produced in the following reaction:
By the action of concentrated nitric acid on copper.
Explain the following :
An all glass apparatus is used in the laboratory preparation of nitric acid.
Write a balanced equation for following :
Laboratory preparation nitric acid.
