a) Paraffinic oils have only paraffins in them. b) Benzene is an aromatic component. c) Paraffinic components have lower molecular weights than the cyclics with the same carbon number. d) Heavy oils are known to have APl's in the range of 25-35 APL. e) None of the above 2) Which kind of hydrocarbon is uncommon in crude oils due to their reactivity? a) Paraffins b) Olefins c) Naphthenes d) Aromatics e) None of the above