Across
- 1. consists of only one substance without any contaminating
- 5. Ethanol with a boiling point at 78 C, is more .... than water
- 7. the process is reversed at precisely the same temperature if a liquid is cooled down
Down
- 2. the reverse of evaporation is ....
- 3. the temperature at which a substance turns to a liquid
- 4. when liquid change in to gases in this way, the process is called ....
- 6. bubbles of gas appear inside the liquid. the process is known as ....