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Chemistry, 29.06.2019 12:00 carthur71

Which of the following ions is in the lowest oxidation state? a. p in h2po−4 b. cr in cr2o2−7 c. fe in fe2o3 d. none of these

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Which of the following ions is in the lowest oxidation state? a. p in h2po−4 b. cr in cr2o2−7 c. fe...

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