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Question
Give one word for the following statement:
Water molecules in loose chemical combination with other substances.
Solution
Water molecules in loose chemical combination with other substances. - Water of crystallization
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RELATED QUESTIONS
Water turns the colour of anhydrous copper sulphate .................
Give one word for the following statement:
A property due to which a substance absorbs water without dissolving.
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.
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.
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?
Differentiate between hydrated and anhydrous crystals with examples. State three defined changes that occur when hydrated copper sulphate is heated.
Name or state the following:
A liquid hydroscopic substance.
A hot saturated solution of copper sulphate forms crystals as it cools. Why?
