Vitamin B6 is an important nutrient for maintaining a healthy nervous system.

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.

Nitrous oxide, also known as laughing gas, is used for anesthesia.

Silicon dioxide is a major component of glass and ceramics.

Acidic oxides react with water to produce acids.

Aluminum is an amphoteric oxide, it reacts with both acids and bases.

Nitrogen monoxide is a cause of air pollution.