Question

When determining whether a chemical reaction has taken place, you observe and look for several indicators. Which would be

considered an indication that a chemical reaction or chemical change has taken place?
Solid melts.
Heat is given off.
Substance dissolves
Substance changes shape.

Answer 1

Answer: The answer is B. Heat is given off.

Answer 2

Heat is given off

Step-by-step explanation:

Exothermic reactions are chemical reactions. Therefore since heat was given off it was an exothermic reaction, otherwise known as a chemical reaction.

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