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प्रश्न
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 |
|
|
|
|
उत्तर
|
Common Name |
Chemical Name |
Formula |
Acid, base or salt |
Efflorescent, hygroscopic or deliquescent substance |
|
Solid caustic potash |
Potassium hydroxide |
KOH |
Base |
Deliquescent substance |
|
Quick lime |
Calcium oxide |
CaO |
Base |
Hygroscopic substance |
|
Oil of vitriol |
Sulphuric acid |
H2SO4 |
Acid |
Hygroscopic substance |
|
Washing soda |
Hydrated sodium carbonate |
Na2CO3.10H2O |
Salt |
Efflorescent substance |
|
Solid caustic soda |
Sodium hydroxide |
NaOH |
Base |
Deliquescent substance |
|
Blue vitriol |
Copper sulphate |
CuSO4 |
Salt |
Efflorescent substance |
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संबंधित प्रश्न
Water turns the colour of anhydrous copper sulphate .................
Give one word for the following statement:
A substance which does not contain water .
Give one word for the following statement:
A property due to which a substance absorbs water without dissolving.
Give the names and formulae of two substances
Anhydrous substance
The substance that can remove hydrogen and oxygen atoms in the ratio of 2:1(in the form of water) from the compound.
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.
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”?
Differentiate between the following:
Deliquescent salt and hygroscopic salt
The molecular formula of green vitriol is MgSO4.7H2O.
