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

Practice Mode:
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

Explanation

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