Chemistry 5070 · O Level · Fuels

Fuels — practice question

A diagram shows a biogas generator. If the gas is collected, it may be burned as a fuel. However, if the gas is released, it acts as an atmospheric pollutant. What gas is it?

  • Acarbon monoxide
  • Bmethane
  • Cnitrogen
  • Dsulfur dioxide

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI