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Subject :NSO    Class : Class 6

Properties of three substances X, Y and Z are given below :
X : Heavy and non-magnetic
Y : Light and non-magnetic
Z : Magnetic
If 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


Ans 1:

Class : Class 5

Ans 2:

Class : Class 5

Ans 3:

Class : Class 3

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