Petroleum products<span> are materials derived from crude oil</span><span> as it is processed.
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Each of the organic compounds mentioned has a general formula so that we can identify the classification of a certain substance. The compound CH₃CH₂OH is an alcohol because it follows the general formula R-OH, where R is a hydrocarbon chain. In this case, the hydrocarbon chain is ethane. When a hydroxyl functional group is attached, it becomes an alcohol whose name is ethanol.
The element having valency of 1 is ~
The substance is followed by H2O
