Hydrated Salts-Salts Containing Water of Crystallisation

Author:S K Malhotra
10th CBSE
IMPORTANT

Hydrated Salts-Salts Containing Water of Crystallisation: Overview

This topic talks about hydrated salts in which water molecules loosely attached to their molecules. Terms like efflorescence, deliquescence and hygroscopy are discussed briefly.

Important Questions on Hydrated Salts-Salts Containing Water of Crystallisation

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Write the names, formulae and colours of any two hydrated salts.

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What is meant by 'hydrated' and 'anhydrous' salts? Explain with examples.

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The blue colour of crystals of a substance changed to white on heating in a closed test tube but the colour was regained after sometime on cooling. Name the substance and write its chemical formula. Explain the phenomenon involved.

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Give two examples of white coloured hydrated salt along with their chemical formula.

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Write the names, formulae and colour of two hydrated salts.

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Write name and chemical formula of two such compounds whose one formula unit is associated with 10 and 2 water molecules respectively.