Question

How do substances differ after a chemical change?

The physical properties of the substance stay the same.
The physical property of the substance will change.
The physical property of the substance will become better.​

Answer 1

B. The physical property of the substance will change.

Step-by-step explanation:

About Answer A:

The physical properties of the substance can not stay the same after a chemical change. If the physical properties stay the same, this is just a physical change.

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About Answer B:

After a chemical change, the physical properties of the substance can become better or worse depend on about what chemical reaction we are talking about.