Multiple choice

Which group of changes include only chemical changes?

  1. Metabolism of food in the body, electroplating a metal and crushing a can

  2. Mixing an acid and a base, baking a cake and breaking a glass

  3. Mixing an acid and a base, baking a cake, and electroplating a metal

  4. Electroplating a metal, baking a cake and crushing a can

  5. Metabolism of food in the body, burning a candle and electroplating a metal
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

All are the types of chemical changes.

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