A) Zn
B) Fe
C) Cu
D) Mn
Correct Answer: D
Solution :
Permissible values \[Zn\text{ }=\text{ }5\text{ }ppm\] \[Fe=0.2\text{ }ppm\] \[Cu\text{ }=\text{ }3.0\text{ }ppm\]You need to login to perform this action.
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