GCSE Chemistry C7 0.0 / 5 ? ChemistryCrude oil, cracking and hydrocarbonsGCSEAQA Created by: ReggifaceCreated on: 12-01-20 09:49 An example of a naturally occurring polymer Nucleotide 1 of 14 They have the general formula of CnH2+2 Alkanes 2 of 14 The gas needed for complete combustion of alkanes Oxygen 3 of 14 A fossil fuel Crude Oil 4 of 14 Residue at the bottom of the fractionating column Bitumen 5 of 14 Type of hydrocarbons in high demand Short-chained 6 of 14 Breaking molecules down by heat Thermal decomposition 7 of 14 They have a C=C double bond Alkenes 8 of 14 A smokey yellow flame shows ---------- combustion of Alkenes incomplete 9 of 14 Addition of Hydrogen Hydrogenation 10 of 14 -------- can react with Alkenes Halogens 11 of 14 The test for Alkenes bromine 12 of 14 Have the '-OH' functional group Alcohols 13 of 14 Conditions needed for fermentation of Ethanol anaerobic 14 of 14
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