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Q.3.4.    Food cans are coated with tin and not with zinc because
                 (a) zinc is costlier than tin.
                 (b) zinc has a higher melting point than tin.
                 (c) zinc is more reactive than tin.
                 (d) zinc is less reactive than tin.

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This is because zinc is more reactive than tin. So zinc may react with food items and make food unhealthy to consume.

Posted by

Devendra Khairwa

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