Chemistry, 13.11.2020 04:10 xxxamslashxxx9

What evidence always shows that a chemical change has happened? O A. The total mass of material changes.
O B. A new substance is produced.
C. A solid material dissolves in a liquid.
O D. A liquid changes into a solid.

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What evidence always shows that a chemical change has happened? O A. The total mass of material cha...