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प्रश्न
Give the names and formulae of two substances.
Hydrated substance
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उत्तर
Washing soda crystals: Na2CO3.10H2O
Blue vitriol: CuSO4.5 H2O
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संबंधित प्रश्न
Give two examples of Crystalline anhydrous substances.
Give two examples for Deliquescent substance.
The sticky substance formed when soap is added to hard water is ______.
Give one word for the following statement:
Water molecules in loose chemical combination with other substances.
Give the names and formulae of two substances
Anhydrous substance
Name three methods by which hydrous substances can be made anhydrous.
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 the following:
Deliquescent salt and hygroscopic salt
The molecular formula of green vitriol is MgSO4.7H2O.
Define Hydrated salt.
