Multiple choice

During an experiment you notice that your substance is giving off heat, what happened?

  1. Chemical change!

  2. Um a fire? Hello safety rules

  3. Chemical Properties

  4. Physical change
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The release of heat (exothermic reaction) is a common indicator that a chemical change has occurred, as it suggests the formation of new bonds and a change in chemical energy.

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