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प्रश्न
Give one word for the following statement:
Water molecules in loose chemical combination with other substances.
उत्तर
Water molecules in loose chemical combination with other substances. - Water of crystallization
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संबंधित प्रश्न
Give two examples of Crystalline anhydrous substances.
Give one word for the following statement:
A substance which does not contain water .
Complete the following table:
|
Common Name |
Chemical Name |
Formula |
Acid, base or salt |
Efflorescent, hygroscopic or deliquescent substance |
|
Solid caustic potash |
|
|
|
|
|
Quick lime |
|
|
|
|
|
Oil of vitriol |
|
|
|
|
|
Washing soda |
|
|
|
|
|
Solid caustic soda |
|
|
|
|
|
Blue vitriol |
|
|
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What are hydrous substances? Explain with examples.
Name three methods by which hydrous substances can be made anhydrous.
Explain the following observation:
In the expression anhydrous copper sulphate, what is meant by “anhydrous”?
Explain the following observation:
Why is fused calcium chloride or cone, sulphuric acid used in a desiccator?
Name or state the following:
A liquid hydroscopic substance.
Differentiate between the following:
Deliquescent salt and hygroscopic salt
The molecular formula of green vitriol is MgSO4.7H2O.
