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.
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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.