Chemistry 5070 · O Level · Air quality and climate

Air quality and climate — practice question

Pollutant gases are given off as vegetable matter undergoes bacterial decay. The bacterial decay of vegetable matter is the main source of which gas?

  • Acarbon monoxide
  • Bmethane
  • Cnitrogen dioxide
  • 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