After reading this article you will learn about:- 1. Ores of Chromium 2. Sources of Chromium 3. Toxicity. Ores of Chromium: The major Chromium ore is Chromite, FeOCr2O3, from which Ferro-Chrom alloys and Chromium metal are obtained. Chromium is used in tanning industry and in corrosion protection in steel. Treatment of steel with CrO4–2 may […]