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 b) florine c) bromine d) iodine 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 not cook for spreading on bread so manufacturers _____________ vegetable oils to solidify them a) evaporate b) hydrogenate c) boil d) steam 16) ___________ is add to unsatuarted fats in the hydrogenate reaction. a) Carbon b) Hydrogen c) Water d) Nickel 17) Catalysts are used to speed up reactions. Catalysts are also useful because they... a) Never get used up b) Are cheap to buy c) Make food last longer 18) Unsaturated compounds become saturated by 'soaking up' more atoms. These reactions are called... a) Addition reactions b) Additional reaction c) Addiction reaction 19) Alkenes don't reacvtion with water. BUT under certain conditions stean adds across them to form ethanol (industrial alcohol). This reaction is called... a) Distillation b) Hydration c) Purification 20) Who is most likely to get an A* on the next test? a) Amina b) Mustafa c) Jesmina 21) How many syllables in Babatunde's name? a) 2 b) 3 c) 4 d) 5 22) Who in the class has the surname which is the same a species of apple and raincoat? a) Jessica b) Darren c) Andrew d) Joe e) Natalie 23) Who ( in the class) shares his name with a famous clown, an ex presidentof the USA. a) Joe b) Andrew c) Ronald d) Darren 24) Biological catalysts are called a) proteins b) lipids c) muscles d) enzymes 25) The splitting of hydrocarbons to make smaller more useful fractions is called a) Hydration b) hydrogenate c) addition reaction d) cracking 26) Over half term, I will study science ... a) everyday b) every night c) on the weekend d) in my sleep e) on the internet f) all of the above

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