Some Basic Principles Of Organic Chemistry Question 224
Question: Wolframite ( $ FeWO_4 $ ) impurities present in cassiterite ( $ SnO_2 $ ) 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 $ (SnO_2) $ an ore of tin being non-magnetic can be separated from magnetic impurities $ (FeWO_4).$
