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Isolation of Elements question

2011 · Shift 2 · Q1

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JEE Advanced
Chemistry
Isolation of Elements
2011 · Shift 2 · Q1

Isolation of Elements question

2011 · Shift 2 · Q1

JEE AdvancedChemistryIsolation of ElementsMCQ+1 / −0.25

Oxidation states of the metal in the minerals haematite and magnetite, respectively are

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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