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Question 7.13:
List the important sources of sulphur.
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Answer:
Sulphur
mainly exists in combined form in the earth’s crust primarily
as sulphates [gypsum (CaSO4.2H2O),
Epsom salt (MgSO4.7H2O),
baryte (BaSO4)]
and sulphides [(galena (PbS), zinc blends (ZnS), copper pyrites
(CuFeS2)].
Sulphur
mainly exists in combined form in the earth’s crust primarily
as sulphates [gypsum (CaSO4.2H2O),
Epsom salt (MgSO4.7H2O),
baryte (BaSO4)]
and sulphides [(galena (PbS), zinc blends (ZnS), copper pyrites
(CuFeS2)].