A mixture contains three different substances X, Y and Z. The characteristics of X, Y and Z are given below:
X: Sublimes on heating, Non-magnetic
Y: Does not sublime on heating, Magnetic
Z: Does not sublime on heating, Non-magnetic

Which techniques can be used in order to separate Z from the given mixture?

Sublimation

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Magnetic separation

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Both sublimation and magnetic separation

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Any one out of sublimation and magnetic separation

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Solution

The correct option is C Both sublimation and magnetic separation

Sublimation is a process in which solid changes to gas without changing into liquid. Particles of X sublime on heating and can be separated by sublimation leaving behind Y and Z.

Magnetic separation is a process in which magnetic particles are separated out from a mixture using a magnet. Y particles being magnetic in nature, can be separated by magnetic separation, leaving behind Z.

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