Food cans are coated with tin but not with zinc because खाद्य डिब्बों को टिन से लेपित किया जाता है किन्तु जस्त से नहीं‚ क्योंकि

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Food cans are coated with tin but not with zinc because खाद्य डिब्बों को टिन से लेपित किया जाता है किन्तु जस्त से नहीं‚ क्योंकि