9. Ice water melts faster than butter when exposed in heat because water is a molecule.
a.tonic polar c. covalent polar
b. ionic nonpolar d. covalent nonpolar

10. When a solid reach its it becomes liquid.
a.boiling point c. miscibility point
b. melting point d. solubility point

11.When a liquid reaches it boiling point, it becomes
a.Solid b. liquid C, gas d. plasma

12. What is the freezing point of water in Celsius?
a.100 b. 200 C. 0 d. 300​