The melting point of a substance X X\,X is 150 K and its boiling point is 350 K. Which row in the table correctly describes the physical state of substance X X\,X at the temperatures shown?
| 100 K | 200 K | 300 K | 400 K | |
|---|---|---|---|---|
| Row A | solid | solid | liquid | gas |
| Row B | solid | liquid | liquid | gas |
| Row C | liquid | liquid | gas | gas |
| Row D | solid | liquid | gas | gas |
Row A
Row B
Row C
Row D
44 exam-style questions on CIE IGCSE Physics 2.1.1 States of matter and changes of state. Each one has a worked solution and a mark scheme showing where the marks go.