Question

I think its a or c... c: Can someone check this please?

What is one result of a chemical change?

A.
Energy is created.

B.
A new material is formed.

C.
Materials change from one state to another.

D.
Elements are permanently destroyed.

Answer 1

you'r both options are incorrect. there is undoubtedly law that energy don't created nor destroyed. and we have lots of chemical changes that reactants and products are in same states.like:
\[ N2 + 3 H2 \rightarrow 2 NH3\] think about it.