Chemistry 5070 · O Level · Air quality and climate

Air quality and climate — practice question

The table gives the composition of exhaust gases from an internal combustion engine. Which gas is $Y$?

  • Aammonia
  • Bargon
  • Cchlorine
  • Dnitrogen

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