1.

Properties of three substances X, Y and Z are given below :X : Heavy and non-magneticY : Light and non-magneticZ : MagneticIf X, Y and Z are of same size and colour then, which of the following can be used to separate these particles from their mixture?

A. Handpicking followed by filtration
B. Winnowing followed by magnetic separation
C. Magnetic separation followed by sieving
D. Sublimation followed by distillation
Answer» C. Magnetic separation followed by sieving


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