Which of the following is a primary constituent... - JAMB Chemistry 2023 Question

Methane is a primary constituent of crude oil. Crude oil is a complex mixture of hydrocarbons, and methane is the simplest hydrocarbon, consisting of a single carbon atom bonded to four hydrogen atoms.

While other hydrocarbons like pentane, ethanol, and heptane may be present in crude oil, methane is a fundamental component and is commonly found in natural gas associated with petroleum deposits.