In chromite ore, the oxidation number of iron and chromium are respectively……… (a) +3, +2 (b) +3 , +6 (c) +2,+6 (d) +2, +3 +2 (b) +3 +6 (c) +2 +6 (d) +2 3% In chromite ore the oxidation number of iron and chromium are respectively......... (a) +3 November 24, 2020 Category: Uncategorised (JEE Advanced [...]