A sample is at exactly its melting point and contains both solid and liquid. Which statement is correct?
Energy can transfer while the temperature stays constant
The temperature rises as the solid melts
The liquid particles have changed chemical identity
The solid has no particle motion
84 exam-style questions on Edexcel GCSE Chemistry 3.1 States of matter, covering 3.1.1 The three states of matter and changes of state. Each one has a worked solution and a mark scheme showing where the marks go.