Environment And Road Safety Education And Violence Against Women And Children And Drug Abuse 2021 Exam With Answers

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9.

Formation of sedimentary chalcopyrite requires

A: High pH High Eh
B: High pH Low Eh
C: Low pH Low Eh
D: Low pH High Eh

The answer is: D

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Explanation

The formation of sedimentary chalcopyrite requires low pH and high Eh (oxidation-reduction potential).