1 Which hydrocarbon contains only single covalent bonds? A Alkene B Alkyne C Alkane D Aromatic hydrocarbon
3 Which of the following is a physical property of alkenes? A Undergo addition reactions B Decolorize bromine water C Insoluble in water D React with KMnO4
5 Which hydrocarbon is used as a starting material in many organic syntheses? A Methane B Ethene C Ethane D Butane
6 Which reaction is characteristic of alkenes? A Substitution B Addition C Neutralization D Precipitation
7 In bromine water test, alkenes cause: A Formation of precipitate B No change C Decolorization D Gas evolution
14 Which test is used to detect unsaturation in hydrocarbons? A Litmus test B Bromine water test C Flame test D Solubility test
17 Which petroleum fraction is used as lubricating oil? A Kerosene B Diesel C Heavy oil fraction D Refinery gas
20 Which hydrocarbon has the highest degree of unsaturation? A Alkane B Alkene C Alkyne D Cycloalkane