___________technique is used to separate scrap-iron from other wastes in the scrap yard.
A
Handpicking
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B
Winnowing
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C
Magnetic separation
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D
Sieving
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Solution
The correct option is C Magnetic separation Magnetic separation technique is used to separate iron scraps from other waste materials in a scrap yard with the help of magnets fitted with a crane.
Iron being magnetic gets attracted towards the magnet leaving behind the non-magnetic component.