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प्रश्न
Give reason for the following:
When concentrated sulphuric acid is exposed to air, its volume increases and it becomes slightly dilute.
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उत्तर
When concentrated sulphuric acid is exposed to air, it absorbs water vapours from the atmosphere thus increasing its volume and becoming dilute.
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संबंधित प्रश्न
Identify the acid in the following case:
The acid which produces sugar charcoal from sugar.
Why is water not added to concentrated H2SO4 in order to dilute it?
Name the products formed when hot and concentrated sulphuric acid reacts with Carbon.
Name the products formed when hot and concentrated sulphuric acid reacts with Copper.
What would you observe in the following case?
Hot concentrated sulphuric acid is added to sodium chloride crystals.
Name the catalyst used in the process.
Write the equation of the following reaction:
Sulphur is heated with concentrated sulphuric acid.
Concentrated sulphuric acid is both an oxidizing agent and a non-volatile acid. Write one equation each to illustrate the properties of sulphuric acid mentioned above.
State your observation of the following case:
When dilute hydrochloric acid is added to sodium carbonate crystals.
Complete the table given below:
| Name of the process | Reactants | Acid product formed |
| (a) ______ | Nitrogen dioxide + water + oxygen | (b) ______ |
| (c) ______ | Oleum + water | Sulphuric acid |
