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.

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

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

The study of organic compounds is an important field in chemistry.

Unsaturated fatty acids are said to be good for health.

Lithium hydride plays an important role in chemical reactions.

Hydrogen peroxide is often used for disinfecting wounds.

Tritium is one of the radioactive isotopes.