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प्रश्न
Define the following term : Hygroscopic substance
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उत्तर
Hygroscopic substance : The compound which absorbs water vapour from the atmosphere.
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संबंधित प्रश्न
Give one equation to show the following properties of sulphuric acid:
Acidic nature
Give two balanced reactions of the type to show the following property of sulphuric acid:
Non-volatile nature
Name the following:
Products obtained by treating ferrous sulphide with dilute sulphuric acid.
Name the following :
The precipitate obtained by treating aqueous lead nitrate with dilute sulphuric acid.
What would you observe in the following case?
Dilute sulphuric acid is added to ferrous sulphate solution.
Give reason for the following:
Cotton clothes get burnt with concentrated sulphuric acid.
How are the following conversion brought about? Give equation and condition:
Sucrose to sugar charcoal.
Give reason for the following:
Concentrated sulphuric acid is kept in airtight bottles.
Give two balanced reactions of the type to show the following property of sulphuric acid:
Dehydrating nature
The salt is formed when concentrated sulphuric acid reacts with KNO3 above 200°C.
