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प्रश्न
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.
उत्तर
Efflorescence is the phenomenon by which hydrated salts on exposure to dry air lose their water of crystallisation and crumble to powder.
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संबंधित प्रश्न
Write a balanced chemical equation for Action of dilute hydrochloric acid on magnesium sulphite.
Write a balanced equation for the preparation of the following salts:
Zinc carbonate from Zinc sulphate
Name the salt which is used as preservative in pickles, and in curing meat and fish.
Explain how anhydrous copper sulphate can be used to detect the presence of moisture (water) in a liquid
Give the names and formulae of any two salts. Also name the acids and bases from which these salt may be obtained.
Write the names, formulae and colours of any two hydrated salts.
The aqueous solution of one of the following salts will turn phenolphthalein indicator pink. This salt is:
(a) KCl
(b) K2SO4
(c) K2CO3
(d) KNO3
What is deliquescence? What name is given to the compounds exhibiting such property?
State what would you observe when :
Washing soda crystals are exposed to the atmosphere.
Write any five uses of salts.
