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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 |
|
|
|
|
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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
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 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.
Name three methods by which hydrous substances can be made anhydrous.
Differentiate the function of concentrated sulphuric acid as a drying agent & as a dehydrating agent. Is fused calcium chloride a dehydrating or a desiccating agent. Give reasons.
Differentiate between hydrated and anhydrous crystals with examples. State three defined changes that occur when hydrated copper sulphate is heated.
Select the correct answer from the choice given in the options.
An anhydrous crystal _____.
The molecular formula of green vitriol is MgSO4.7H2O.
Define Hydrated salt.
