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When blue copper sulphate is heated, a white solid is formed. This change occurs due to the loss of what?

Answer and explanation

Correct answer: Water of crystallisation

Blue copper sulphate crystals are hydrated copper sulphate, CuSO4·5H2O, which contain water of crystallisation. On heating, this bound water is removed and anhydrous copper sulphate, CuSO4, is formed; it is white. Therefore, option A is correct. No chlorine, hydrogen or sodium is released because none of those species is part of copper sulphate crystals.

Related tags

Copper-SulphateWater-Of-CrystallisationAnhydrous-SaltHeatingClass-10AcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And Behaviour

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