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प्रश्न
The property by which certain hydrated salts, when left exposed to the atmosphere, lose their water of crystallization and crumble into powder.
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उत्तर
Dehydration
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संबंधित प्रश्न
Write a balanced equation for the preparation of the following salts:
Copper sulphate from Copper Carbonate.
Common salt is obtained from sea-water by the process of ______.
name two salts which are basic.
Hard water required for an experiment is not available in a school laboratory. However, following salts are available in the laboratory. Select the salts which may be dissolved in water to make it hard for the experiment.
|
(1) |
Calcium Sulphate |
(2) |
Sodium Sulphate |
|
(3) |
Calcium Chloride |
(4) |
Potassium Sulphate |
|
(5) |
Sodium Hydrogen Carbonate |
(6) |
Magnesium Chloride |
(A) 1, 2 and 4
(B) 1, 3 and 6
(C) 3, 5 and 6
(D) 2, 4 and 5
Fill in the blank
___________ is the phenomenon by which hydrated salts on exposure to dry air, lose their water of crystallization and crumble to powder.
State what would you observe when :
The salt ferric chloride is exposed to the atmosphere.
Name a colourless gas which bleaches.
Sodium carbonate is a basic salt because it is a salt of a ____________.
How is normal salt obtained? Give a suitable reaction.
An aqueous solution of a salt turns blue litmus to red. The salt could be the one obtained by the reaction of ______.
