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List the important sources of sulphur. |
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Answer» SOLUTION :Sulphur mainly OCCURS in the earth's crust in the combined state primarily in form of sulphates and sulphides. Sulphates : Gypsum, `CaSO_(4).2H_(2)O`, epsom salt, `MgSO_(4).7H_(2)O`, baryte, `BaSO_(4)`, etc. Sulphides. Galena, PbS, zinic blende, ZnS, copper pyrites, `CuFeS_(2)`, iron pyrites, `FeS_(2)`, etc. Traces of sulphur occur as `H_(2)S` and in organic materials such as eggs, PROTEINS, garlic, ONION, mustard, hair and wool. |
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