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प्रश्न
Differentiate between the following:
Deliquescent salt and hygroscopic salt
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उत्तर
| Deliquescent salt | Hygroscopic salt: |
| Water soluble salts which on exposure to the atmosphere absorb moisture from the atmosphere dissolve in the absorbed moisture and change into liquid state are called Deliquescent salt. e.g. washing soda (Na2CO3.10H2O) | Absorb water or moisture from the atmosphere when exposed but do not change their state like delinquent salts. e.g. Cone. H2SO4, quick lime CaO. |
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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.
Give one word for the following statement:
Water molecules in loose chemical combination with other substances.
Differentiate between an efflorescent, deliquescent & ‘ hygroscopic substance with suitable examples.
Differentiate the function of concentrated sulphuric acid as a drying agent & as a dehydrating agent. Is fused calcium chloride a dehydrating or a desiccating agent. Give reasons.
Select the correct answer from the choice given in the options.
An anhydrous crystal _____.
Name or state the following:
A liquid hydroscopic substance.
Define Hydrated salt.
'A' is a blue coloured crystalline salt. On heating, it loses blue colour and to give 'B'. When water is added, 'B' gives back to 'A'. Identify A and B, write the equation.
