The following four fuels are given: 1 ethanol; 2 coal; 3 hydrogen; 4 natural gas. Which of these fuels are fossil fuels?
- A1, 2 and 3
- B1 and 3 only
- C2 and 4
- D4 only
Chemistry 0620 · IGCSE · Fuels
The following four fuels are given: 1 ethanol; 2 coal; 3 hydrogen; 4 natural gas. Which of these fuels are fossil fuels?