1.

Which colour change and smell are observed when crystals of ferrous sulphate are heated ? Give chemical reaction also.

Answer»

Solution :Green colour of ferrous sulphate disappears and a SMELL of burning sulphur is noticed.
`underset("(Green)")underset("Ferrous sulphate")(2FeSO_(4).7H_(2)O)OVERSET(Delta)(to)underset("OXIDE")underset("Ferric")(Fe_(2)O_(3))+underset("smell")underset("sulphur")underset("Burning")(SO_(2)+SO_(3))+14H_(2)O`


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