Chemistry 0620 · IGCSE · Giant covalent structures

Giant covalent structures — practice question

Which statement best explains the reason graphite is used as a lubricant?

  • AAll bonds between the atoms are weak.
  • BIt conducts electricity.
  • CIt has a low melting point.
  • DLayers in the structure can slide over each other.

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