This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
The presence of 2 extra pairs of electrons on the oxygen in water molecule results in : 
Select and explain. 
A. Makes water a non-polar solvent, B. Forms covalent bonds in the ice, C. Electro negative charge on water molecule, D. Electro positive charge on water molecule
C: Electro negative charge on water molecule
Answer: C: Electro negative charge on water molecule 
Explanation: C ie Electronegative charge on water molecule