Transcript Higher Chemistry Unit 2 - Section 1 Fuels Multiple Choice

Higher Chemistry
Unit 2
Section 1 Fuels
Multiple Choice Questions
This is designed to be used by teachers to help students develop
skills in answering multiple choice questions.
Higher Chemistry
Unit 2 - Section 1 Fuels
Multiple Choice Questions
1. Which of the following processes can
be used industrially to produce petrol?
A.
B.
C.
D.
reforming of naphtha
catalytic cracking of propane
reforming of coal
catalytic cracking of heavy oil
fractions
Answer
A.
Higher Chemistry
Unit 2 - Section 1 Fuels
Multiple 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
Answer
A.
Higher Chemistry
Unit 2 - Section 1 Fuels
Multiple 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
Answer
C.
Higher Chemistry
Unit 2 - Section 1 Fuels
Multiple Choice Questions
4. The process of reforming does not
involve producing
A. branched hydrocarbons
B. cyclic hydrocarbons
C. aromatic hydrocarbons
D. shorter chain hydrocarbons
Answer
D.
Higher Chemistry
Unit 2 - Section 1 Fuels
Multiple 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
Answer
C.
Higher Chemistry
Unit 2 - Section 1 Fuels
Multiple 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
Answer
B.
Higher Chemistry
Unit 2 - Section 1 Fuels
Multiple 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
Answer
C.
Higher Chemistry
Unit 2 - Section 1 Fuels
Multiple Choice Questions
8. A fuel which cannot be classed as a
renewable source of energy is
A. ethanol
B. methane
C. methanol
D. hydrogen
Answer
C.
Higher Chemistry
Unit 2 - Section 1 Fuels
Multiple 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
Answer
D.
Higher Chemistry
Unit 2 - Section 1 Fuels
Multiple Choice Questions
10.The production of methane from decaying
material is due to
A. photosynthesis
B. respiration
C. anaerobic conditions
D. aerobic conditions
Answer
C.