Chemistry Which of the following gases is the main cause of acid rain ? Options:A. COB. NO2C. both a & bD. none of the aboveView AnswerB. NO2 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___________________?