Multiple choice

Corrosion is a chemical reaction that involves

  1. inside of the object changing from an element to a compound

  2. surface of the object changing from an element to a compound

  3. nothing happens

  4. surface of the object changes from one element into another element
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Corrosion is a chemical reaction that involves surface of an object changing from an element to a compound.

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