Purification And Characterisation Of Organic Compounds Question 151
Question: Wolframite ore is separated from tinstone ore by the process of
[BHU 2004]
Options:
A) Roasting
B) Electromagnetic
C) Smelting
D) Calcination
Show Answer
Answer:
Correct Answer: B
Solution:
Wolframite ore $ [FeWO_4] $ is present in tin stone as impurities and it has same mass per unit volume as that of tin stone.
So it is separated by electromagnetic separator because wolframite is magnetic in nature hence it gets attracted by magnet while tin stone doesn’t
BETA
