N5 Chemistry - Unit 3 - Introduction to Plastics
Assessment
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C Fleming
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Chemistry
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4th Grade
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3 plays
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Medium
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23 questions
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1.
Multiple Choice
biodegradeable
non-degradeable
corrosive
biodegenerative
2.
Multiple Choice
Which is the most common material used to make plastics
Natural gas
Crude oil
Coal
3.
Multiple Choice
Reheating a __________ plastic component will cause the forces between the molecules to become weaker which allows them to slip over each other - the component can be reshaped or become mis-shaped in use if it becomes too hot.
thermoplastic
thermosetting plastic
4.
Multiple Choice
How many tons of plastic are dumped in the ocean each year?
8 million
5000
600 000
2 million
5.
Multiple Choice
How much plastic is produced every year?
300 million tons
10 thousand tons
5 billion tons
7 tons
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