WorksheetsCracking and Hydrocarbons Quiz
Total questions: 13
Worksheet time: 7mins
Which of the following is an effect of burning fossil fuels on the environment?
Increased oxygen levels
Decreased levels of carbon dioxide
Increased greenhouse gas emissions
Decreased sulfur dioxide levels
What is cracking?
The process of breaking down large hydrocarbons into smaller ones
The process of forming hydrocarbons from carbon and hydrogen
The extraction of hydrocarbons from the earth
The burning of hydrocarbons to produce energy
Which of the following is a property of smaller hydrocarbons compared to larger ones?
Higher boiling point
Darker in color
More viscous
Easier to light
Which of the following best explains why methane is used as a fuel for heating?
It has a high boiling point
It burns cleanly with a blue flame
It is a solid at room temperature
It is difficult to ignite
Which hydrocarbon fraction is primarily used as fuel for airplanes?
Petrol
Kerosene
Diesel
Bitumen
Why is cracking used?
To increase the size of hydrocarbons
To produce larger hydrocarbons from smaller ones
To convert larger hydrocarbons into smaller, more useful ones
To combine hydrogen and carbon into hydrocarbons
Which method is NOT used by scientists to find oil?
Looking for dome-shaped cap rocks
Conducting seismic surveys
Setting off small explosions to create shock waves
Observing bird flight patterns
The third member in the family of alkanes is known as:
Propane
Ethane
Ethene
Propene
When incomplete combustion occurs, all of the following are produced except:
Nitrogen
Carbon dioxide
Carbon monoxide
Soot
Which of the following is NOT a step in the fractional distillation of crude oil?
Heating crude oil to vaporize it
Separating the vapors based on boiling points
Cooling the crude oil to form a solid
Collecting different fractions at different levels of the column
Which substance is collected at the bottom of the fractionating column?
Kerosene
Bitumen
Naphtha
Refinery gas
Which of the following hydrocarbons is most likely to be found in the lubricating oil fraction?
Methane
Butane
Hexadecane
Octane
What are the primary components of the hydrocarbon fraction used as cooking gas?
Methane to propane
Butane to octane
Decane to hexadecane
Eicosane to tetracontane
