WorksheetsIntroduction to Polymers
Total questions: 15
Worksheet time: 8mins
What is the key difference between thermoforming polymers and thermosetting polymers?
Thermoforming polymers can be softened by heating many times.
Thermosetting polymers can be softened by heating many times.
Thermoforming polymers cannot be shaped after heating.
Thermosetting polymers can be shaped after heating multiple times.
What is the source of synthetic polymers?
Crude oil
Natural gas
Coal
Wood
What is fractional distillation used for in the context of polymers?
The processing of crude oil to produce naphtha.
The heating of polymers to soften them.
The shaping of polymers into various forms.
The recycling of synthetic polymers.
Where are the largest reserves of crude oil found?
North America and Europe
Middle East and Central America
Middle East and South America
Africa and Asia
What happens after exploratory bore holes are drilled and crude oil is found to be commercially accessible?
The oil is left untouched for future use
The oil is pumped to the surface and transported to a refinery
The oil is burned to generate energy on-site
The oil is mixed with water for easier transportation
How is crude oil typically transported across vast areas of land?
By airplanes
By pipelines
By trains
By underground tunnels
Which product of fractional distillation is primarily used as fuel for ships and in road surfacing?
Diesel oil
Residue
Naphtha
Petrol
What is the main use of naphtha obtained from the fractional distillation of crude oil?
Used in cars
Used in jet fuel
Used in chemical production
Fuel for diesel engines
Which product of fractional distillation is used as fuel for diesel engines?
Petrol
Diesel oil
Kerosene
Refinery gas
What is the process called in which naphtha is heated to break it down into individual hydrocarbons?
Polymerization
Cracking
Distillation
Refining
What are the building blocks for the manufacture of polymers called?
Monomers
Polymers
Hydrocarbons
Molecules
Which monomer is polymerised to create polyethylene (PE)?
Propylene
Ethylene
Styrene
Butadiene
What gives each polymer its unique properties?
The color of the polymer
The way monomers are linked together
The temperature of the polymerisation reactor
The size of the polymerisation reactor
What is polylactic acid (PLA) made from?
Fossil fuels
Corn starch
Metals
Synthetic chemicals
What is a property of polylactic acid (PLA) that makes it similar to acrylonitrile butadiene styrene (ABS)?
It is non-renewable.
It is biodegradable.
It has similar usability in 3D printing.
It is resistant to chemicals.
