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प्रश्न
Explain the following observation:
In the expression anhydrous copper sulphate, what is meant by “anhydrous”?
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उत्तर
Copper sulphate loses water of crystallization when heated and becomes white powder of CuSO4. This white powder (CuSO4) without water is anhydrous.
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संबंधित प्रश्न
Give two examples for Deliquescent substance.
Give one word for the following statement:
Water molecules in loose chemical combination with other substances.
Give the names and formulae of two substances.
Hydrated substance
Give the names and formulae of two substances
Anhydrous substance
The substance that can remove hydrogen and oxygen atoms in the ratio of 2:1(in the form of water) from the compound.
State the methods by which hydrated salts can be made anhydrous.
What are hydrous substances? Explain with examples.
Differentiate the function of concentrated sulphuric acid as a drying agent & as a dehydrating agent. Is fused calcium chloride a dehydrating or a desiccating agent. Give reasons.
Define Hydrated salt.
What happens when MgSO4.7H2O is heated? Write the appropriate equation?
