1) What are the only substances found in Crude oil? a) Hydrocarbonates b) Hydrocarbons c) Cations d) Anions 2) Carbon and Hydrogen are non metals so they bond.... a) metallically b) Ionically c) Covalently d) With hydrogen bonds 3) Burning fuels releases energy. Reactions that give off energy are called_____________ reactions. a) Intrinsic b) endothermic c) exothermic d) Hydrothermic 4) Hydrogen is sometimes called a clean fuel. Hydrogen burns in oxygen to produce only one product, which is a) Water b) Carbon dioxide c) Nitrogen d) Sodium hydroxide 5) Which hydrocarbon has the most number of carbon atoms? a) ethane b) Bitumen c) octane d) paraffin 6) Which of these is not an alkane a) propane b) Ethene c) Paraffin d) bitumen 7) Alkenes differ from alkanes because they have a) single C-C bonds b) At least one double C=C bond c) Because they are spelt differently 8) Alkanes are described as _________ because all of their C-C bonds are single bonds a) unsaturated b) saturated 9) Alkenes are described as ____________ because at least one of their C=C bonds are a double bond a) unsaturated b) saturated 10) The test for an alkene involves adding which substance to a test tube? a) chlorine water b) fluorine water c) bromine water d) iodine crystals 11) Bromine adds across the double bond of an alkene. This reaction is called ...... a) flavouring testing b) Halogen testing c) an addition reaction 12) Saturated fats tend to be solid at room temperature. Saturated fats have no double C=C bonds. a) True b) False 13) Vegetable oils are unsaturated fats. They contain at least one C=C double bond. Polyunsaturated means the fat contains..... a) one double C=C bond b) Many double C=C bonds 14) Unsaturated fats tend to be ____________at room temperature a) Solid b) Liquid c) Gas 15) Liquid unsaturated fats are no good for spreading on bread so manufacturers _____________ vegetable oils to solidify them. a) evaporate b) hydrogenate c) boil d) steam 16) The splitting of hydrocarbons to make smaller more useful fractions is called a) Hydration b) hydrogenate c) addition reaction d) cracking 17) To prepare for my Chemistry mock exam, I will study... a) everyday b) every night c) over the weekend d) in my sleep e) on the internet f) all of the above 18) this molecule is a) butan-1-ol b) 1methylpropan-1-ol c) 2methylbutan-2-ol d) 2methylpropan-1-ol

Hydrocarbons

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