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प्रश्न
Give the names and formulae of two substances
Anhydrous substance
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उत्तर
Table salt: NaCl
Nitre: KNO3
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संबंधित प्रश्न
Define water of crystallization. Give two examples with formulae.
Give two examples of Crystalline anhydrous substances.
Give two examples for Deliquescent substance.
What do you observe when Blue vitriol is heated?
The sticky substance formed when soap is added to hard water is ______.
Give one word for the following statement:
A property due to which a substance absorbs water without dissolving.
Give the names and formulae of two substances.
Hydrated substance
Name three methods by which hydrous substances can be made anhydrous.
Match the substances in List I with the appropriate answer in List II.
| List I | List II |
| 1. Green vitriol | A: Permanent hardness in water |
| 2. Paint | B: Hygroscopic |
| 3. Magnesium chloride | C: Temporary hardness in water |
| 4. Magnesium bicarbonate | D: Heptahydrate |
| 5. Calcium oxide | E: Colloidal |
Select the correct answer from the choice given in the options.
An anhydrous crystal _____.
