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प्रश्न
How is the impurity of iron present in several substances removed in industries ?
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उत्तर
The impurity of iron present in several substances in the industries is removed using electromagnets. Waste materials supplied to the industries contain a number of scrap metals including iron.
Iron objects stick to the electromagnet and are collected at a separate place, leaving behind other objects.
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संबंधित प्रश्न
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