41. Petroleum is believed to have formed eons ago from: a. the remains of dinosa
ID: 849161 • Letter: 4
Question
41. Petroleum is believed to have formed eons ago from: a. the remains of dinosaurs b. land organisms c. the desert sun d. land and aquatic mammals e. decomposition of marine organisms 42. Natural gas is composed of a. 80% methane, 10% ethane, 10% of other hydrocarbons b. 75% methane, 15% ethane, 10% of other hydrocarbons c. 50% methane, 50% ethane d. 60% methane, 60% ethane, 30% of other hydrocarbons e. 10% methane, 60% ethane, 30% of other hydrocarbons 43. Which one of the following is not a source of alkanes? a. coal b. natural gas c. sea water d. petroleum e. none of the above 44. The following rings are all strained except: a. cyclopopane b. cyclohexane c. cyclooctane d. cyclobutane e. cyclodecane 45. Baeyers theory is wrong because a. he did not do any experiments b. he assumed that carbon compounds cannot be twisted c. cycloalkanes are not flatExplanation / Answer
41) e
42)a
43) c
44) b
45) c
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