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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.
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
Ammonia is used in the Ostwald process.
Give the sources of reactants used in this process.
Write a balanced equation and name the products formed when cupric oxide reacts with nitric acid.
Write the equations involved in Ostwald process.
Give three equations of the reaction to prove that nitric acid is an acid.
Brown ring disappear if the test tube is disturbed.
Fill in the blank with appropriate word/words.
Aqua regia is a mixture of _______ and________
Account for the yellow colour that appears in concentrated nitric acid when it is left standing in an ordinary glass bottle.
Explain, why only all glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.
Complete the table:
| Name of Process | Inputs | Equation | Output |
| Ammonia + Air | Nitric acid |
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.
