Some Basic Principles Of Organic Chemistry Question 224

Question: Wolframite ( FeWO4 ) impurities present in cassiterite ( SnO2 ) can be separated by the process of

Options:

A) froth floatation

B) zone refining

C) electromagnetic separation

D) gravity separation

Show Answer

Answer:

Correct Answer: A

Solution:

Electromagnetic separation method of concentration is employed when either the ore or the impurities associated with it are magnetic in nature.

Tinstone or cassiterite (SnO2) an ore of tin being non-magnetic can be separated from magnetic impurities (FeWO4).



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