Melting is when solids are heated above their melting point.
Colloidal systems are suspensions of solid matter in liquids.
Melting is when something part of a colloidal system is heated above its melting point.
Melting is when something that is part of what is heated above its melting point?
Options:
a) organic molecules
b) gas
c) measuring system
d) Water expanding
e) colloidal system
f) objects that have mass
g) pot
h) an object