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
[{'content': 'The presence of 2 extra pairs of electrons on the oxygen in water molecule results in : \nSelect and explain. \nA. 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', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C ie Electronegative charge on water molecule', 'role': 'assistant'}]