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Zinc sulphide is heated strongly in exce...

Zinc sulphide is heated strongly in excess of air. Give balanced reaction.

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When zinc sulphide is heated strongly in excess of air, it forms zinc oxide and sulphur dioxide gas.
`underset("Zinc sulphide")(2ZnS_((s)))+underset("Oxygen")(3O_(2(g)))overset("heat")to underset(" Zinc oxide")(2ZnO_((s)))+underset("Sulphur dioxide")(2SO_(2(g)))`
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