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 is suffering from combat stress reaction.

Carbon dioxide is one of the main causes of global warming.

Hydrogen peroxide is often used for disinfecting wounds.

This factory is emitting a large amount of sulfur dioxide.

Carbon monoxide is a colorless, odorless gas, and it is dangerous to inhale.