Purification And Characterisation Of Organic Compounds Question 151
Wolframite ore is separated from tinstone ore by the process of flotation
[BHU 2004]
Options:
A) Roasting is a method of cooking that uses dry heat, typically in an oven, to cook food.
B) Electromagnetic wave
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 a different mass per unit volume compared to 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 does not
BETA
