
C14: Crude oil and fuels
Quiz by Oxford Revise Chemistry
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19 questions
Show answers
- Q1What term is used to describe a compound containing carbon and hydrogen only?Users re-arrange answers into correct orderJumble60s
- Q2Complete the sentence to describe how crude oil is formed: Over ___1___ of years from the remains of ancient ____2____1. thousands 2. plants1. hundreds 2. dead animals1. billions 2. fossils1. millions 2. biomass60s
- Q3What term is used to describe hydrocarbons that only have single bonds?fractionsalkenesalkaneshaloalkenes60s
- Q4What are the first four alkanes?propane, methane, ethane, pentanemethane, hexane, butane, ethanemethane, propane, ethane, octanemethane, ethane, propane, butane60s
- Q560s
- Q6How does boiling point of hydrocarbons depend on the chain length?shorter the chain, higher the boiling pointlonger the chain, higher the boiling pointNno relationship between the two60s
- Q7How does viscosity of hydrocarbons depend on chain length?longer the chain, higher the viscosityno trend between the twoshorter the chain, higher the viscosity60s
- Q8How does flammability hydrocarbons depend on chain length?no trend between the twolonger the chain, lower the flammabilityshorter the chain, lower the flammability60s
- Q9How can the different alkanes in crude oil be separated?fractional distillationfiltrationdistillationcrystallisation60s
- Q10In fractional distillation, what term is used to describe a group of hydrocarbons with similar chain lengths?fuel sectionhomologous groupfractionalkane group60s
- Q11Petrol and diesel oil are produced from fractional distillation of crude oil. Which of these is not a fuel produced from fractional distillation?keroseneliquefied petroleum gasescoalheavy fuel oil60s
- Q12Plastic polymers can be produced from the fractions of crude oil. Which of these is NOT produced from crude oil fractions?detergentsalloyssolventslubricants60s
- Q13What term is used to describe the breaking down of a long chain hydrocarbon into smaller molecules?crackingreductiondecompositioncombustion60s
- Q14Name two methods to carry out cracking.steam cracking, catalytic crackingwater cracking, catalytic crackingcatalytic cracking, fuel crackinggas cracking, steam cracking60s
- Q15What are the products of cracking?Long chains of alkanes and alkenesshort chain alkanes and alkenesshort chains of alkenesshort chains of alkanes60s