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प्रश्न
The molecular formula of green vitriol is MgSO4.7H2O.
विकल्प
True
False
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उत्तर
False
Correct Statement: The molecular formula of green vitriol is FeSO4 .7H2O.
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संबंधित प्रश्न
Water turns the colour of anhydrous copper sulphate .................
Give one word for the following statement:
A property due to which a substance absorbs water without dissolving.
Give one word for the following statement:
Water molecules in loose chemical combination with other substances.
The substance that can remove hydrogen and oxygen atoms in the ratio of 2:1(in the form of water) from the compound.
What are drying or desiccating agents? Give examples.
Complete the following table:
|
Common Name |
Chemical Name |
Formula |
Acid, base or salt |
Efflorescent, hygroscopic or deliquescent substance |
|
Solid caustic potash |
|
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Quick lime |
|
|
|
|
|
Oil of vitriol |
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|
|
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Washing soda |
|
|
|
|
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Solid caustic soda |
|
|
|
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Blue vitriol |
|
|
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The process of separation or deposition of crystals from a hot saturated solution on gentle cooling of the solution is called ‘crystallization’. With reference to the statement explain what is meant by ‘water of crystallization. State which physical properties of a crystal are correlated with the water of crystallization.
Differentiate between hydrated and anhydrous crystals with examples. State three defined changes that occur when hydrated copper sulphate is heated.
Differentiate between the following:
Deliquescent salt and hygroscopic salt
A hot saturated solution of copper sulphate forms crystals as it cools. Why?
