Answer:
The type of noun for the italicized word "water" in the sentence "Please give me a glass of water" is a common noun.
A common noun is a general word that refers to a person, place, thing, or idea. In this case, "water" refers to a substance and does not specifically name a particular type or brand of water. It is a common noun because it is a general term that can be used to describe any type of water.