What are the five signs of a chemical reaction?

1 Answer
Dr. Hayek
Dec 9, 2015

In general, the signs of a chemical change are the following:

Explanation:

In general, the signs of a chemical change are the following:

  1. Formation of a precipitate
  2. Production of a gas
  3. Change in colour
  4. Energy change
  5. Production of odor
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