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प्रश्न
The molecular formula of green vitriol is MgSO4.7H2O.
पर्याय
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
Define water of crystallization. Give two examples with formulae.
Give one word for the following statement:
A property due to which a substance absorbs water without dissolving.
State the methods by which hydrated salts can be made anhydrous.
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 hydrated and anhydrous crystals with examples. State three defined changes that occur when hydrated copper sulphate is heated.
Select the correct word from the words in option to complete the sentence:
Efflorescence occurs when the vapour pressure of the hydrated crystals is ____ than the vapour pressure of the atmospheric humidity.
Select the correct answer from the choice given in the options.
An anhydrate of a heptahydrate salt _____.
Name or state the following:
A liquid hydroscopic substance.
