Entry Test MCQ :: Environmental Chemistry
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The main pollutant of leather tanneries in the waste water is
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[A]. |
chromium III | [B]. |
chromium IV
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[C]. |
chromium V | [D]. |
chromium VI |
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nadir niazi said:
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d is correct answer |
Mubashar Malik said:
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d is correct answer |
Syeda Rida Rizvi said:
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series of mcat books seem to have answered b while the correct answer acc to text books is d, Chromium 6. |
abdullah qaiser said:
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d is correct |
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