Water molecules form hydrogen bonds with each other and exclude oil, as oil is a hydrophobic or non polar substance.
what are the properties of water molecule ?
It is a polar molecule which has no taste, odor, or transparency, where nucleus of the oxygen atom of water attracts electrons strongly than the nuclei of the hydrogen atoms.
Water molecule shows strong cohesive property where the attraction of molecules for other same kind of molecule is referred to as cohesion.
Water molecules composed up of one oxygen atom and two hydrogen atoms are hydrophobic or water fearing, oil is non polar molecule can not attracted to water molecules, As a result oil and water can not mix.
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