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Quiz on AS Chemistry Developing Fuels, created by howley monkey on 10/05/2015.

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AS Chemistry Developing Fuels

Question 1 of 21

1

Platinum is used in a catalyst in...

Select one or more of the following:

  • Isomerism

  • Catalytic cracking

  • Reforming

Explanation

Question 2 of 21

1

Zeolites are used in...

Select one or more of the following:

  • Isomerism

  • Catalytic cracking

  • Reforming

Explanation

Question 3 of 21

1

Which cracking method used naptha?

Select one of the following:

  • Catalytic

  • Thermal

Explanation

Question 4 of 21

1

Catalytic cracking uses the gas oil fraction

Select one of the following:

  • True
  • False

Explanation

Question 5 of 21

1

Which process would if you wanted alkenes to make polymers?

Select one of the following:

  • Isomerism

  • Reforming

  • Catalytic cracking

  • Thermal cracking

Explanation

Question 6 of 21

1

Which methods are used to improve the octane number of petrol?

Select one or more of the following:

  • Thermal cracking

  • Catalytic cracking

  • Isomerism

  • Reforming

Explanation

Question 7 of 21

1

Reforming is the process of turning long hydrocarbon chains into shorter, branched ones

Select one of the following:

  • True
  • False

Explanation

Question 8 of 21

1

Reforming is the process of turning alkanes into arenes

Select one of the following:

  • True
  • False

Explanation

Question 9 of 21

1

Cracking is...

Select one of the following:

  • Breaking down longer hydrocarbon chains into smaller alkanes and alkenes

  • The process of producing hydrogen from hydrocarbons

  • The process of turning long chain hydrocarbons into shorter, branched ones

Explanation

Question 10 of 21

1

A hydrocarbon that contains a benzene ring is...

Select one of the following:

  • Aromatic

  • Aliphatic

Explanation

Question 11 of 21

1

Alkenes gave the general formula...

Select one of the following:

  • CnH2n

  • CnH2n+2

  • CnH2n+1

Explanation

Question 12 of 21

1

Cycloalkanes have the general formula

Select one of the following:

  • CnH2n

  • CnH2n+1

  • CnH2n+2

Explanation

Question 13 of 21

1

Alkanes have the general formula...

Select one of the following:

  • CnH2n

  • CnH2n+1

  • CnH2n+2

Explanation

Question 14 of 21

1

Which of these are chain isomers of butane?

Select one or more of the following:

  • But-1-ol

  • 2-methlypropane

  • 1-methlypropane

  • Propane

Explanation

Question 15 of 21

1

But-1-ol and ethoxyethane are structural isomers. What type of structural isomers are they?

Select one or more of the following:

  • Chain

  • Position

  • Functional group

Explanation

Question 16 of 21

1

Which of these are postion isomers of propan-1-ol

Select one of the following:

  • propan-2-ol

  • propan-3-ol

  • methoxyethane

Explanation

Question 17 of 21

1

A catalytic converter...

Select one of the following:

  • Oxidises CO
    Oxidises CxHy
    Reduces NO

  • Reduces CO
    Oxidises CxHy
    Reduces NO

  • Oxidises CO
    Reduces CxHy
    Oxidises NO

  • Oxidises CO
    Reduces CxHy
    Reduces NO

Explanation

Question 18 of 21

1

Oxides of nitrogen cause...

Select one or more of the following:

  • Acid rain

  • Photochemical smog by reacting with unburnt hydrocarbons to form ozone

  • Global dimming

Explanation

Question 19 of 21

1

Which of the below are primary pollutants?

Select one or more of the following:

  • CO2

  • Unburnt hydrocarbons

  • Oxides of nitrogen

  • Oxides of sulfur

  • CO

  • Particulates

  • Ozone

  • NO2

  • H2O2

  • PAN

Explanation

Question 20 of 21

1

Octane number is the tendency of a fuel to autoignite

Select one of the following:

  • True
  • False

Explanation

Question 21 of 21

1

Autoignition improves engine performance

Select one of the following:

  • True
  • False

Explanation

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