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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.
Water turns the colour of anhydrous copper sulphate .................
What are drying or desiccating agents? Give examples.
State the methods by which hydrated salts can be made anhydrous.
Differentiate between an efflorescent, deliquescent & ‘ hygroscopic substance with suitable examples.
Explain the following observation:
Why is fused calcium chloride or cone, sulphuric acid used in a desiccator?
Select the correct answer from the choice given in the options.
An anhydrous crystal _____.
Name or state the following:
A liquid hydroscopic substance.
Match the following
| 1. | Blue vitriol | CaSO4.2H2O |
| 2. | Gypsum | CaO |
| 3. | Deliquescence | CuSO4.5H2O |
| 4. | Hygroscopic | NaOH |
