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Q.

Which of the following ores do not contain Iron (do not consider any impurity in ore)?

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a

Magnetite

b

Chromite

c

Pyrolusite

d

Casseterite

answer is A, D.

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Detailed Solution

Pyrolusite and Casseterite ores do not contain Iron (do not consider any impurity in ore).

Pyrolusite is a mineral that mostly contains manganese. While the casseterite ore content tin(Sn).

Hence, option A and D are correct.

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