Achemist studies two forms of refined gasoline. which of the following branches of chemistry might the chemist us?

Organic chemistry

Explanation:

As the chemist is studying two forms of gasoline, where both are organic chemicals hence they belong to organic chemistry as the branch. Also, the two forms of the refined gasoline can be used to study other features of gasoline in organic chemistry and the experiment can be help to analyze the gasoline in many ways.

- "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)."

it should have an internal chamber and two thermometers sticking out of the top. the internal chamber will also be closed off from the outside.