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प्रश्न
Explain the following:
Zinc is used to cover iron so as to prevent rusting of iron. Why?
स्पष्ट करा
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उत्तर
Zinc is a more electropositive metal than iron; it gets oxidised and saves iron. Also, zinc forms a protective layer of ZnO on iron. This layer is sticky and impervious in nature and protects the iron metal underneath from rusting.
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