Question

Why is hot water preffered more to wash faces??

Answer 1

hot water has more faster moving molecules than cold water it cleans the dust very faster than cold water

Answer 2

Hot water, by definition, has faster moving molecules than cold water. (The molecular speed translates into heat.) All other things being equal, faster moving molecules do a better job of cleaning than slower moving molecules (in "displacing" the dirt and transporting it away using water.