Chemistry Which one of the following has polar covalent bond ? Options:A. HFB. CH4C. H2D. N2View AnswerA. HF Continue Reading Previous: Branch of chemistry that deals with the complete qualitative and quantitative analysis of a substance is___________________?Next: 58.5g of of NaCl per 1 dm3 of solution of NaCl in water the concentration of solution will be___________________?