3 years ago

What is the most obvious sign of a chemical change in this reaction.

2 answers:

4 0

The correct answer would be "A" a gas was produced. A chemical change is when a compound changes shape or form. In this instance it changed from a liquid or solid, to a gas.

Nutka1998 [239]3 years ago

4 0

A gas was produced

got it right on usa test prep!!!!!!

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