identify the type of abuse [mental, physical, sexual, neglect] by the clue given:

pours milk over you just because you couldn't finish the second glass.

mental.
it is not phsyical because the person did not hit or touch them.
it is not sexual for..obvious reasons,
and it is not neglect because the person is reacting & paying attention.
it is mental because it is coming across in the milkee's head that he/she is worthless or did something wrong.

it may also be a bit of physical because ..the milk may do you harm? if instead of pouring milk on the person, they threw a chocolate bar at the person's head, it would be physical. i don't know about liquid though...

Was it a physical act?

Was it a physical act?

http://en.wikipedia.org/wiki/Physical_abuse

Yes, pouring milk over someone can be considered a physical act of abuse. Physical abuse involves any intentional act causing physical harm or injury to another person. In this case, pouring milk over someone is a form of physical aggression and can cause discomfort, humiliation, or harm to the person involved. It is essential to recognize and address all forms of abuse to ensure the well-being and safety of individuals.