9. Which statement is not true about phase change?
A. Does not produce new substances.
B. Alters the chemical composition of substance.
C. Physical change can be reversed using physical means
D. The chemical composition of a substance that underwent
remains the same before and after the process.

10. Which statements supports phase change that results
A. When the energy of the molecules rises.
B. When the hydrogen bonds between water molecules keeps the molecules fixed
C. When the energy is lost by water molecules, its velocity is reduced.
D. When heat transfer transpires from an object with higher temperature to an object with lower temperature.​