3 Which of the following indicates saturation? A Presence of double bond B Presence of triple bond C No decolorization of bromine water D Positive Baeyer's test
7 Which reaction is characteristic of alkenes? A Substitution B Addition C Neutralization D Precipitation
8 Which process converts heavy oil fractions into lighter ones? A Hydration B Cracking C Distillation D Hydrogenation
9 Which petroleum fraction is used as lubricating oil? A Kerosene B Diesel C Heavy oil fraction D Refinery gas