Chemistry 0620 · IGCSE · Water

Water — practice question

Which of the following statements about water is correct?

  • AIt turns anhydrous copper(II) sulfate from pink to blue.
  • BIt turns anhydrous copper(II) sulfate from white to blue.
  • CIt turns cobalt(II) chloride paper from blue to white.
  • DIt turns cobalt(II) chloride paper from pink to blue.

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