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प्रश्न
Food cans are coated with tin and not with zinc because ______.
पर्याय
zinc is costlier than tin
zinc has a higher melting point than tin
zinc is more reactive than tin
zinc is less reactive than tin
MCQ
रिकाम्या जागा भरा
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उत्तर
Food cans are coated with tin and not with zinc because zinc is more reactive than tin.
Explanation:
Zinc is more reactive than tin (zinc is above tin in the reactivity series), so it will react with organic acids (present in food) to form poisonous compounds. To avoid this, food cans are coated with tin and not with zinc.
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