What happens when tar is mixed in tin rice ?

What happens when tar is mixed in tin rice ?
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1 Answer

Answer :

Tin is a metal which , when in pure state, is corroded by exposure to moist air and rust. As a result, the tin rice is coated with tar or zinc to protect it from rust and rain water , so that the tin rice can no longer come in contact with moist objects or water. This protects the tin rice from rusting.
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