Question

why is alcohol lighter than water?​

Answer 1

Answer:

Oxygen is heavier and smaller than carbon, so a volume of water molecules is heavier than the same volume of oil molecules. This makes water more dense than oil. ... Alcohol is less dense than oil. Alcohol molecules are mostly carbon and hydrogen atoms so they are similar to oil.

Answer 2

Answer:

Oxygen is heavier & smaller than carbon , so a volume of water molecules is heavier than alcohol ...