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प्रश्न
Give one word for the following statement:
A substance which does not contain water .
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उत्तर
A substance which does not contain water anhydrous substances.
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संबंधित प्रश्न
Give two examples of Crystalline anhydrous substances.
Give one word for the following statement:
Water molecules in loose chemical combination with other substances.
Give the names and formulae of two substances
Anhydrous substance
The substance that can remove hydrogen and oxygen atoms in the ratio of 2:1(in the form of water) from the compound.
What are hydrous substances? Explain with examples.
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 |
Explain the following observation:
In the expression anhydrous copper sulphate, what is meant by “anhydrous”?
Name or state the following:
A liquid hydroscopic substance.
Define Hydrated salt.
What happens when MgSO4.7H2O is heated? Write the appropriate equation?
