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Question
Why are tin cans used for storing food made by electroplating tin onto iron?
Options:
A .  Tin reacts with food and food is protected from getting spoilt.
B .  Food does not get spoilt as it does not come in contact with iron which is more reactive.
C .  Tin is more reactive than iron and it acts as a preservative.
D .  Iron reacts with tin to form a stable compound.
Answer: Option B
:
B
Tin cans used for storing food are made by electroplating tin onto iron. Tin is less reactive than iron. Thus, food does not come into contact with iron and is protected from getting spoilt.

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