Higher Chemistry

1
Higher Chemistry
Unit 2Section 1 FuelsMultiple Choice Questions
This is designed to be used by teachers to help
students develop skills in answering multiple
choice questions.
2
Higher ChemistryUnit 2 - Section 1
FuelsMultiple Choice Questions

• 1. Which of the following processes can be used
  industrially to produce petrol?
• A. reforming of naphtha
• B. catalytic cracking of propane
• C. reforming of coal
• D. catalytic cracking of heavy oil fractions

A.
Answer
3
Higher ChemistryUnit 2 - Section 1
FuelsMultiple Choice Questions

• 2. Which pollutant, produced during internal
  combustion in a car engine, is not the result of
  incomplete combustion?
• A. nitrogen dioxide
• B. hydrocarbons
• C. carbon
• D. carbon monoxide

A.
Answer
4
Higher ChemistryUnit 2 - Section 1
FuelsMultiple Choice Questions

• 3. Biogas is produced under anaerobic conditions
  by the fermentation of biological materials.
  What is the main constituent of biogas?
• A. butane
• B. ethane
• C. methane
• D. propane

C.
Answer
5
Higher ChemistryUnit 2 - Section 1
FuelsMultiple Choice Questions

• 4. The process of reforming does not involve
  producing
• A. branched hydrocarbons
• B. cyclic hydrocarbons
• C. aromatic hydrocarbons
• D. shorter chain hydrocarbons

D.
Answer
6
Higher ChemistryUnit 2 - Section 1
FuelsMultiple Choice Questions

• 5. Petrol is a blend of hydrocarbons.
• In a winter blend, the petrol has more
• A. large molecules which are more volatile
• B. large molecules which are less volatile
• C. small molecules which are more volatile
• D. small molecules which are less volatile

C.
Answer
7
Higher ChemistryUnit 2 - Section 1
FuelsMultiple Choice Questions

• 6. The tendency for auto-ignition of alkanes in a
  petrol engine can be reduced by the addition of
  
• A. chromium
• B. lead
• C. iron
• D. platinum

B.
Answer
8
Higher ChemistryUnit 2 - Section 1
FuelsMultiple Choice Questions

• 7. Which of the following is not true of
  methanol?
• A. It is toxic
• B. It forms a corrosive mixture with water
• C. It is more volatile than petrol
• D. Combustion is more complete than
  combustion of petrol

C.
Answer
9
Higher ChemistryUnit 2 - Section 1
FuelsMultiple Choice Questions

• 8. A fuel which cannot be classed as a renewable
  source of energy is
• A. ethanol
• B. methane
• C. methanol
• D. hydrogen

C.
Answer
10
Higher ChemistryUnit 2 - Section 1
FuelsMultiple Choice Questions

• 9. The burning of which fuel would reduce the
  build up of carbon dioxide in the atmosphere?
• A. ethanol
• B. diesel
• C. methane
• D. hydrogen

D.
Answer
11
Higher ChemistryUnit 2 - Section 1
FuelsMultiple Choice Questions

• 10. The production of methane from decaying
  material is due to
• A. photosynthesis
• B. respiration
• C. anaerobic conditions
• D. aerobic conditions

C.
Answer