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Extraction of metal from the ore cassite...

Extraction of metal from the ore cassiterite involves

A

Carbon reduction of an oxide ore

B

Self-reduction of sulphide ore

C

Removal of copper impurity

D

Removal of iron impurity

Text Solution

Verified by Experts

The correct Answer is:
A, D

Cassiterite ore `(SnO_2)`
`{:(SnO_2 + C rarr SnO + CO),(SnO_2 + C rarr Sn + CO_2):}}"Carbon reduction"`
Also iron is present as impurity in this ore.
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