Chemistry 0620 · IGCSE · Solids, liquids and gases

Solids, liquids and gases — practice question

The diagram represents the heating curve of a substance. Between which two points do the particles of the substance change from fixed positions to being able to move around?

  • AP and Q
  • BQ and R
  • CS and T
  • DT and U

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