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प्रश्न
Select the correct answer from the choice given in the options.
An anhydrous crystal _____.
पर्याय
blue vitriol
epsom salt
lead chloride
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उत्तर
An anhydrous crystal lead chloride.
APPEARS IN
संबंधित प्रश्न
The sticky substance formed when soap is added to hard water is ______.
The substance that can remove hydrogen and oxygen atoms in the ratio of 2:1(in the form of water) from the compound.
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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|
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Quick lime |
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|
|
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Oil of vitriol |
|
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|
|
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Washing soda |
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|
|
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Solid caustic soda |
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Blue vitriol |
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|
State the methods by which hydrated salts can be made anhydrous.
What are hydrous substances? Explain with examples.
Differentiate between ‘hydrated’ & ‘anhydrous’ crystals. Give the chemical formula of – the following hydrated crystals -
(a) Washing soda
(b) Gypsum
(c) Blue vitriol
(d) Epsom salt
(e) Glauber’s salt.
State which crystal from (a) to (e) is a pentahydrate.
Complete the statement by filling the blank with the correct word from the option.
Hygroscopic substance absorb moisture from the atmosphere & _______their original state.
Explain the following observation:
In the expression anhydrous copper sulphate, what is meant by “anhydrous”?
Name or state the following:
A liquid hydroscopic substance.
Match the following
| 1. | Blue vitriol | CaSO4.2H2O |
| 2. | Gypsum | CaO |
| 3. | Deliquescence | CuSO4.5H2O |
| 4. | Hygroscopic | NaOH |
