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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 the chemical name and formula of common salt.
How would you show that blue copper sulphate crystals contain water of crystallisation?
Explain how anhydrous copper sulphate can be used to detect the presence of moisture (water) in a liquid
What is a salt?
Give the names and formulae of any two salts. Also name the acids and bases from which these salt may be obtained.
What is meant by 'hydrated' and 'anhydrous' salts? Explain with examples.
Write the names, formulae and colours of any two hydrated salts.
Give one example of a salt which gives an aqueous solution having:
pH more than 7
Name A colourless gas which bleaches.
You are provided with the list of chemicals mentioned below in the box:
| Sodium hydroxide solution, copper carbonate, zinc, hydrochloric acid, copper, dilute sulphuric acid, chlorine, iron |
Using suitable chemicals from the list given, write a balanced chemical equation for the preparation of the salt mentioned below:
Ferric chloride
