WAEC Chemistry 2023 Objective — Question 2

Question 2 of 50 from the West African Examinations Council (WAEC) Chemistry 2023 Objective paper, with the correct answer and a full explanation.

The primary component of natural gas is

A. butane
B. ethane
C. methaneCorrect
D. propane

Explanation

Methane is the main component of natural gas. It makes up 70–90% of natural gas. The other significant components are ethane, propane and butane; nitrogen, carbon dioxide, helium and trace amounts of hydrogen sulphide and odorants can also be present.

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