Which is NOT an indication of a chemical change?

Responses

formation of a precipitate (solid)
formation of a precipitate (solid) EndFragment

change in energy
change in energy

temperature change
temperature change EndFragment

shape change
shape change EndFragment

1 answer

The correct answer is shape change. Shape change alone does not indicate a chemical change; it can also occur during a physical change. The other responses—formation of a precipitate, change in energy, and temperature change—are indicative of chemical changes.

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