Q38
Acid mine drainage primarily results from the oxidation of which mineral?
A.
Quartz
B.
Pyrite
AnswerC.
Calcite
D.
Gypsum
Answer: Option B
Solution
Answer: Option B
Solution:
Pyrite (FeS?) oxidizes when exposed to air and water, producing sulfuric acid.This acid drains from mines causing severe environmental pollution.