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Is Matter Around Us Pure? — Science STD 9 — Question

Maharashtra BoardEnglish MediumSTD 9ScienceIs Matter Around Us Pure?3 Marks
Question
How will you separate iron pins from sand?
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Answer

Mixture of iron pins and sand can be separated by using magnet. A horse-shoe magnet is moved on the surface of the mixture. The iron pins are attracted by the magnet, they cling to the poles of the magnet and get separated. This process is repeated a number of times till complete separation of iron pins is achieved.

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