Advertisements
Advertisements
प्रश्न
The property by which certain hydrated salts, when left exposed to the atmosphere, lose their water of crystallization and crumble into powder.
उत्तर
Dehydration
APPEARS IN
संबंधित प्रश्न
What happens when a concentrated solution of sodium chloride (brine) is electrolysed? Write the equation of the reaction involved.
Give one example of a salt which gives an aqueous solution having:
pH equal to 7
Give one example of a salt which gives an aqueous solution having:
pH more than 7
A salt X when dissolved in distilled water gives a clear solution which turns red litmus blue. Explain the phenomenon.
Define the following term: Efflorescence.
Give four substances which contain water of crystallization and write their common name.
Taking sodium carbonate as an example, give the meaning of the following terms: Anhydrous.
State what would you observe when :
The salt ferric chloride is exposed to the atmosphere.
Copy and complete the following table which refers to the action of heat on the carbonate:
| Carbonate | Colour of residue on cooling |
| Zinc Carbonate |
The chemical name of plaster of Paris is ______.
