1: if we have any substance, can be concluded that a chemical if has happed - A . there is a color change
B. the state of matter change
C. there is a decrease in mass.
D. the matter is stirred thoroughly

precipitation

explanation:

when it goes from cloud to rain/back to earth in the form of rain

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.