10 atoms of Hydrogen and 5
atoms of Oxygen would make
molecules
of water.

- "the choice that is not an indicator of a chemical change is "state of matter changes". more common than not, chemical reactions produce energy in the form of light or heat. along with energy, they also produce a new substance called the product that could be in any state of matter (solid, gas, or liquid)."

the right answer is c i just did the question.

12 is it do you think so