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प्रश्न
State two conditions necessary for rusting of iron.
अति संक्षिप्त उत्तर
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उत्तर
- The presence of water and oxygen is essential for the rusting of iron.
- Impurities in the iron, the presence of the water vapor, acids, salts and carbon dioxide hastens rusting.
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अध्याय 8: Periodic Classification of Elements - Evaluation [पृष्ठ १२२]
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