CHEMISTRY 5070 · STRUCTURED PRACTICE
1
A chemistry student compares three pure samples A, B, and C at . Sample A has a fixed volume but adapts to the shape of the container base. Sample B has neither fixed shape nor volume. Sample C retains a rigid shape and volume.
(a)
[3]Identify the physical state of Sample A, Sample B, and Sample C.
(b)
[3]Describe the arrangement, separation, and motion of particles in Sample C (solid).
(c)
[2]Explain why Sample B (gas) is easily compressed whereas Sample A (liquid) cannot be compressed.
Total: 8 marks