I love organic chemistry classes.

This chemical reaction is very dangerous.

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.

This juice contains preservatives.

Antibiotics don't work for colds, so rest is the best.

I use bleach to wash my white shirts.

I received treatment using an anesthetic at the dentist.