Michael mixes two chemicals together in a beaker. The chemicals change color, and the beaker heats up quickly. What kind of change most likely occurred?
A chemical change occurred.
Only a physical change occurred.
A mixture formed.
No change occurred.
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A chemical change occurred
It can't be the fourth one as obviously an observable change happened. It can't be the third one because a mixture is just two liquids sharing the same container. No energy is converted. It could be any of the first two because chemical reactions result in energy changes and so does the dissolving of a substance, which is physical.