Chemistry 0620 · IGCSE · The characteristic properties of acids and bases

The characteristic properties of acids and bases — practice question

When a white solid Z is added to dilute hydrochloric acid, a gas is released. Heating compound Z strongly also produces the same gas. What is Z?

  • Acalcium
  • Bcalcium carbonate
  • Ccalcium hydroxide
  • Dcalcium oxide

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