Chemistry 0620 · IGCSE · Water

Water — practice question

A water sample collected from a river contains harmful microbes. What is one source of the harmful microbes in the river water?

  • Asewage
  • Bfertilisers
  • Cdetergents
  • Dplastics

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