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प्रश्न
Define Hydrated salt.
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उत्तर
The number of water molecules found in the crystalline substance or salts is called water of crystallization. Such salts are called hydrated salts.
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संबंधित प्रश्न
Give two examples for Deliquescent substance.
What do you observe when Blue vitriol is heated?
What are drying or desiccating agents? Give 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.
Differentiate between an efflorescent, deliquescent & ‘ hygroscopic substance with suitable examples.
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.
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.
Differentiate between the following:
Deliquescent salt and hygroscopic salt
A hot saturated solution of copper sulphate forms crystals as it cools. Why?
