Chemistry 0620 · IGCSE · Identification of ions and gases

Identification of ions and gases — practice question

Which reaction mixture would form a precipitate?

  • Aaqueous $\text{Na}_2\text{CO}_3$ and aqueous $\text{CuSO}_4$
  • Bdilute $\text{H}_2\text{SO}_4$ and aqueous $\text{NaOH}$
  • Cdilute $\text{HNO}_3$ and solid $\text{MgO}$
  • Dsolid $\text{CuO}$ and dilute $\text{H}_2\text{SO}_4$

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