If you heat water to a temperature of 100°C, it evaporates to form water vapour.
If you cool water vapour to a temperature of below 100°C, it condenses to form water.
If you cool water to a temperature of 0°C, it freezes to form ice.
If you heat ice to a temperature of 0°C, it melts to form water.
1 A
2 C
3 B
4 D
5. D
6 D
7 B
8 C
9 B
10 B