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प्रश्न
Name three methods by which hydrous substances can be made anhydrous.
उत्तर
Three methods by which hydrous substances can be made anhydrous are:
- Heating under vacuum.
- Direct heating.
- Heating in dry or hot air.
- By using dehydrating/desiccating agents such as warm concentrated sulphuric acid.
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संबंधित प्रश्न
Give two examples for Deliquescent substance.
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A property due to which a substance absorbs water without dissolving.
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Water molecules in loose chemical combination with other substances.
Give the names and formulae of two substances
Anhydrous substance
Complete the statement by filling the blank with the correct word from the option.
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Select the correct answer from the choice given in the options.
An anhydrous crystal _____.
Select the correct answer from the choice given in the options.
An anhydrate of a heptahydrate salt _____.
Name or state the following:
A liquid hydroscopic substance.
Define Hydrated salt.
