WorksheetsAlkanes Recap
Total questions: 10
Worksheet time: 5mins
What elements are in hydrocarbons?
A. hydrogen and helium
B. carbon and oyxgen
C. carbon
D. carbon and hydrogen
what is the name of the technique that separates hydrocarbons in crude oilW
A. combustion
B. fractional distillation
C. chromatography
D. crystallisation
What is the name of the alkane that contains 2 carbons?
A. ethane
B. methane
C. propane
D. butane
What is the molecular formula of propane?
A. CH4
B. C2H6
C. C3H8
D. C4H10
Which of the following fractions is the most flammable?
A. refinery gas
B. petrol
C. diesel
D. Fuel oil
Which of the following fractions is the most viscous?
A. refinery gas
B. petrol
C. diesel
D. Fuel oil
Which of the following fractions has the lowest boiling point?
A. refinery gas
B. petrol
C. diesel
D. Fuel oil
What is the type of reaction when fuels burn in oxygen?
A. Neutralisation
B. Polymerisation
C. Combustion
D. Thermal Decomposition
What are the products of complete combustion?
A. Water + oxygen
B. Water + carbon dioxide
C. carbon dioxide only
D. water and carbon monoxide
Which of these is not a product of incomplete combustion?
A. carbon monoxide
B. carbon dioxide
C. soot/carbon particulates
D. sulfur dioxide
