Which of the following is not true about chemical changes?
a.
They change a substance’s identity.
b.
They can be reversed by physical changes.
c.
They can be detected by changes such as color.
d.
They have different properties from their starting materials.

Question

Which of the following is not true about chemical changes?
a.
They change a substance’s identity.
b.
They can be reversed by physical changes.
c.
They can be detected by changes such as color.
d.
They have different properties from their starting materials.

shane_b · Answer

In general, chemical changes can only be reversed through more chemical changes.