WorksheetsMr L AQA A level Chemistry-"Crude Oil/ Cracking" "A.L, Z.A, S.W"
Total questions: 12
Worksheet time: 6mins
What are alkanes?
Unsaturated Hydrocarbons
Compound containing a hydroxyl group
Saturated atom containing hydrogen and carbon only
Saturated Hydrocarbons
Through which process would you separate crude oil?
Catalytic Cracking
Fractional Distillation
Thermal Cracking
Steam Distillation
Primary Distillation
Which of these isn't a fraction produce through fractional distillation?
Bitumen
Naptha
Fuel oil
Ethanol
What is crude oil formed from?
Remains of shale gas trapped under the sea bed
Remains of gases trapped in the ozone layer
Remains of plants and animals that died millions of years ago
Remains of animal faeces from millions of years ago
Which bond breaks during cracking?
C-C bond
C-C double bond
C-H bond
C-OH bond
What is cracking?
Process of breaking long chain alkenes into shorter chain alkanes, alkenes and hydrogen
Process of breaking long chain alkanes into shorter chain alkanes, alkenes and hydrogen
Process of separating long chain alkanes into shorter chain alkanes, alkenes and hydrogen
Process of breaking long chain haloalkanes into shorter chain haloalkenes
Which of these is not a condition of catalytic cracking?
Slight pressure
Rhodium catalyst
Zeolite catalyst
High temperature
Which form of cracking produces the highest percentage of alkenes?
Catalytic
Steam
Fractional
Thermal
Which of these statements are incorrect about thermal cracking?
Low pressure
Produces high percentage of arenes
Produces high percentage of alkenes
High temperature
What are the main products of catalytic cracking?
Alkyne
Water
Motor fuels
Aromatic compounds
Ketone
Which of these fractions are most in demand?
LPG
Bitumen
Petrol
Gas oil
Which of these isn't an advantage of cracking?
People don't spend money researching other fuels
Doesn't produce greenhouse gases
Meets demand for short chain hydrocarbons
Isn't too expensive
