A chemical change always involves a change in:
I.appearance
II.state
III.composition
IV.temperature
A)I and II
B)I,II,IV
C)III only
D)II and IV
E)all of the above

Question

Quizplus · Accepted Answer

A chemical change involves a change in the composition and identity of the substance(s) involved, but does not necessarily involve changes in appearance, state, or temperature. While changes in appearance, state, or temperature may occur during a chemical change, they are not exclusive to this type of change and can also occur during physical changes.

A Chemical Change Always Involves a Change In