What is a sign that a chemical change has happened?
O A. A substance dissolves.
O B. Sound an...
Chemistry, 10.11.2020 23:00 stopithelpmeplease
What is a sign that a chemical change has happened?
O A. A substance dissolves.
O B. Sound and heat are produced.
OC. A substance changes temperature.
O D. A change of state happens.
Answers: 1
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