Question

What must occur in a substance in order to determine a chemical property?

Answer 1

Change(A chemical reaction.)

Answer 2

Answer;

-Change in the substance in presence of another;

Explanation;

-A chemical property can be determined only when a change in the substance occurs in the presence of another substance or when sufficient energy of some form is added to it.

-Chemical properties can be established by changing a substance's chemical identity, and are different from physical properties, which can be observed by viewing or touching a sample.