Chemistry 0620 · IGCSE · Oxides

Oxides — practice question

Three elements, X, Y and Z, are burnt in oxygen. The oxides that form are dissolved in water and the pH of the resulting solutions is measured. Which of the following statements are correct?

  • A1 only
  • B1 and 2
  • C2 and 3
  • D3 and 4

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