Chemistry 0620 · IGCSE · Physical and chemical changes

Physical and chemical changes — practice question

Which process results in a physical change?

  • Athermal decomposition of calcium carbonate
  • Baddition of sodium chloride to water
  • Caddition of magnesium to hydrochloric acid
  • Dcombustion of sodium

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