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List the important sources of sulphur . |
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Answer» Solution :Sulphur occurs in the earth.s CRUST in the combined state primarily in form of SULPHATES and sulphides . As sulphates : GYPSUM, `CaSO_4. 2H_2O `, Epsom salt , `MgSO_4. 7H_2O`, Baryte , `BaSO_4` , etc. As sulphides : Galena , PbS, Zinc blende , ZnS, Copper pyrites , `CuFeS_2,`, Iron pyrites , `FeS_2` , etc. Traces of sulphur occur as `H_2S` and in organic matter such as eggs, proteins , GARLIC, onion , MUSTARD , hair and wool. |
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