Which of the following components can be separated by using a magnet?
A
Salt and sand
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B
Mercury and sugar
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C
Mercury and copper sulphate
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D
Iron particles and sand
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Solution
The correct option is D
Iron particles and sand
In the magnetic separation process, we use magnets for separating components of mixtures to attract magnetic materials from the non-magnetic material. In the mixture of iron particles and sand, iron is a magnetic material which attracts towards the magnet by leaving the sand behind.