_____ method is used to separate scrap-iron from other wastes in the scrap yard.
Options:
A .  
Sublimation
B .  
Magnetic separation
C .  
Handpicking
D .  
Winnowing
Answer: Option B : B Magnetic separation is a method in which magnetic particles are separated out from a mixture using a magnet. Iron gets attracted to the magnet because of its magnetic nature. So, it can be easily separated from the waste material.
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