Average sulphur content in Indian pyrites is about _________________ percent?
Correct answer: B. 35
- A. 15
- B. 35
- C. 55
- D. 70
Explanation
Indian pyrites are relatively low-grade compared with pure pyrite, with an average sulphur content of about 35 percent. Pure FeS2 contains much more sulphur theoretically, which can cause confusion in this question.
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