A scientist cools a gaseous substance until it turns into a liquid, and then into a solid.
Which row in the table describes the two changes of state of the substance as it is cooled?
| Change of state 1 | Change of state 2 | |
|---|---|---|
| A | condensing | freezing |
| B | condensing | melting |
| C | boiling | freezing |
| D | boiling | melting |
Row A
Row B
Row C
Row D
313 exam-style questions on CIE IGCSE Physics 2.2.3a Melting, boiling, condensation and solidification. Each one has a worked solution and a mark scheme showing where the marks go.