Item SC029003: Forming a white solid by mixing two clear liquids is an example of a chemical reaction.

Which of the following is an example of a chemical reaction?

  1. Water evaporating from a pot on a hot stove
  2. Sand being removed from sea water by filtration
  3. A spoonful of sugar dissolving in a glass of water
  4. A white solid forming when two clear liquids are poured together