Analytical chemistry is a science that reveals the composition and structure of substances.

I am majoring in physical chemistry at university.

I love organic chemistry classes.

He is dedicated to the study of immunochemistry.

Thermochemistry is a part of chemistry that deals with the reactions of heat and matter.

Chemical pollution has a serious impact on the health of the Earth.

This shirt is made of chemical fiber.

He decided to bring the argument to an end.

The inferior pharyngeal constrictor plays a crucial role when swallowing food or drink.

In Japanese grammar, a 'renyou shuushokugo' is a part of 'yougen'.