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प्रश्न
Give two examples of Crystalline anhydrous substances.
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उत्तर
Common salt (NaCl), potassium nitrate (KNO3), sugar (C12H22O111), etc.
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संबंधित प्रश्न
Water turns the colour of anhydrous copper sulphate .................
Give the names and formulae of two substances
Anhydrous substance
What are hydrous substances? Explain with examples.
Name three methods by which hydrous substances can be made anhydrous.
Differentiate between an efflorescent, deliquescent & ‘ hygroscopic substance with suitable examples.
Select the correct answer from the choice given in the options.
An anhydrate of a heptahydrate salt _____.
Match the following
| 1. | Blue vitriol | CaSO4.2H2O |
| 2. | Gypsum | CaO |
| 3. | Deliquescence | CuSO4.5H2O |
| 4. | Hygroscopic | NaOH |
Define Hydrated salt.
A hot saturated solution of copper sulphate forms crystals as it cools. Why?
What happens when MgSO4.7H2O is heated? Write the appropriate equation?
