Which separation technique is used to separate iron powder from a mixture of iron and aluminium powder?

Distillation

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Filtration

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Fractional distillation

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Magnetic separation

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Solution

The correct option is D
Magnetic separation

The process through which magnetic substances (substances attracted towards the magnet) are separated from non-magnetic substances using a magnet is called magnetic separation.

In the given mixture, iron is magnetic in nature while aluminium is non-magnetic in nature. When a magnet is used, iron particles will get attracted towards the magnet. This way iron powder can be separated from aluminium powder.

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Similar questions

Which technique can be used to separate iron from a mixture of iron and copper?

Match the entries of column I with column II

Mixtures	Methods of separation
(a) Mixture of chaff and grain	(i) Evaporation
(b) Iron powder from a mixture of iron and aluminium powder	(ii) Winnowing
(c) Common salt from seawater	(iii) Magnetic separation

Which of the following techniques can be used to separate mixture of soluble solid and a liquid?

a. Evaporation

b. Filtration

c. Distillation

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