Multiple choice

Tin cans, used for storing food, are made by electroplating tin onto iron. Why?

  1. Tin gives a shiny appearance

  2. To make the vessel cheap

  3. Tin is less reactive than iron

  4. To make the vessel lighter
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Tin is less reactive than iron, meaning it does not rust or corrode as easily when exposed to food acids. Electroplating iron with tin protects the iron from coming into contact with the food.

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