Q35 / 200 · Manipal (MET) 2011 · Chemistry

Which of the following ore does not represent the ores of iron?

Correct answer
A
Cassiterite
B
Limonite
C
Haematite
D
Magnetite

Solution

$\mathrm{SnO}_2$-Cassiterite, $\mathrm{Fe}_3 \mathrm{O}_4-$ Magnetite $\mathrm{Fe}_2 \mathrm{O}_3$-Haematite, $\mathrm{Fe}_2 \mathrm{O}_3 \cdot 3 \mathrm{H}_2 \mathrm{O}$-Limonite

Hence, the correct answer is option: 'A'.

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