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प्रश्न
State two most important conditions for rusting.
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उत्तर
Two most important conditions for msting are (1) presence of air and (2) moisture.
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संबंधित प्रश्न
Define the term acid rain.
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Fill in the blanks :
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Tick (√ ) the most appropriate answer.
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State the word equation for the reaction involving the above preparation of oxygen.
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