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

Rajasthan BoardEnglish MediumSTD 9ScienceIs Matter Around Us Pure ?1 Mark
Question
How is scrap-iron separated from other wastes in a scrap yard:
✓

Answer

  1. Magnetic separation
Explanation:
Waste materials supplied to factories contain a number of scrap metals including iron ore.
So, in factories, scrap iron is separated from the heap of waste materials by using big electromagnets fitted to a crane.

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