hydrocarbons
In chemistry, the group of substances that consists only of carbon and hydrogen is called hydrocarbons. They are mainly found in fossil fuels. The molecular formula is CmHn.
In chemistry, the group of substances that consists only of carbon and hydrogen is called hydrocarbons. They are mainly found in fossil fuels. The molecular formula is CmHn.
Hydrogen peroxide (H2O2) is a liquid compound of hydrogen and oxygen. It is irritating to eyes, skin and mucous membranes.