Extraction of Metals - Result Question 24
####24. Oxidation states of the metal in the minerals haematite and magnetite, respectively, are
(2011)
(a) II, III in haematite and III in magnetite
(b) II, III in haematite and II in magnetite
(c) II in haematite and II, III in magnetite
(d) III in haematite and II, III in magnetite
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Solution:
- Haematite is
