Multiple choice

The fossil which is usually above the surface of petroleum deposits, is the natural gas. It consists mainly of, which of the following? (a) methane (b) ethane (c) butane (d) propane

  1. a, b, c and d

  2. a, b and c

  3. a, b and d

  4. a and b

  5. c and d

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the correct answer. Methane CH4, ethane C2H6 and propane C3H8 are found on the surface of the fossils that occur above the petroleum deposits.