Disposal of polymers

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Last updated: 25/02/2020

AQA A-Level Chemistry Polymers Disposal of polymers

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Question 1 of 18

1. Question
What is the definition of biodegradable plastics?
- Plastic materials affected by the action of microorganisms, leading to decomposition
- Plastic materials that do not decompose
- Plastic materials that decompose
- Plastic materials with low density
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Question 2 of 18

2. Question
What is the definition of bioplastic?
- Plastic made from a resource that is biodegradable
- Plastic that can be recycled
- Plastic made from a resource that is non-biodegradable
- Plastic made from non-renewable sources
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Question 3 of 18

3. Question
What is the definition of photodegradable polymers?
- Plastics that are broken down chemically using energy
- Plastics that are non-biodegradable
- Plastics that are biodegradable
- Plastics that can be broken down
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Question 4 of 18

4. Question
What type of wavelength energy is used to break down photodegradable plasics?
- Similar to visible light
- Similar to microwaves
- Similar to UV light
- Similar to IR light
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Question 5 of 18

5. Question
What is the definition of carbon neutral?
- Making a resource that does not contribute or reduce carbon dioxide emissions in the atmosphere
- Making a resource that does not release any pollution
- Making a resource that does not release carbon dioxide into the atmosphere
- Making a resource that reduces carbon dioxide emissions in the atmosphere
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Question 6 of 18

6. Question
Which of the following are an example of a carbon neutral resource?
- Biofuel
- Oil
- Coal
- Natural gas
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Question 7 of 18

7. Question
What property do some plastics have leaving them unable to be broken down?
- They are non-biodegradable
- They are biodegradable
- They are flexible
- They are toxic
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Question 8 of 18

8. Question
What property do some plastics have leaving them able to be broken down?
- They are biodegradable
- They are non-biodegradable
- They are light
- They are not very dense
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Question 9 of 18

9. Question
What are landfills?
- Large holes dug in the ground for rubbish
- Rubbish bins
- Large holes dug in the ground
- Large holes dug for recycling
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Question 10 of 18

10. Question
How is the rate of decomposition of biodegradable materials slowed in landfills?
- Anaerobic conditions, due to the limited supply of water
- Aerobic conditions, due to the limited supply of water
- Anaerobic conditions, due to the limited supply of air
- Aerobic conditions, due to the limited supply of air
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Question 11 of 18

11. Question
What is meant by the combustion of plastics?
- The burning of plastics
- The distillation of plastics
- The sorting of plastics
- The recycling of plastics
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Question 12 of 18

12. Question
What is one environmental issue when plastics are combusted?
- Release of carbon dioxide
- Noise pollution
- Visual pollution
- Damaging wildlife
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Question 13 of 18

13. Question
After the combustion of plastics, what method can be used to remove polluted acidic gases?
- Gas scrubbers
- Oxidation
- Filter
- Fractional distillation
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Question 14 of 18

14. Question
How do gas scrubbers work?
- A base neutralises the acidic gas
- An acid neutralises the gas
- Water neutralises the acidic gas
- Oxygen neutralises the acidic gas
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Question 15 of 18

15. Question
What is reusing?
- Reusing plastics many times
- Sorting plastics into different types
- Burning plastics, through combustion
- Disposing of rubbish through landfills
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Question 16 of 18

16. Question
What is recycling?
- Sorting plastics into different types, making them into different products
- Disposing of rubbish through landfills
- Reusing plastics many times
- Burning plastics, through combustion
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Question 17 of 18

17. Question
What is one disadvantage to recycling?
- Expensive
- Noise pollution
- Wastes plastics
- A lot of pollution involved
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Question 18 of 18

18. Question
What is organic feedback?
- Using chemical reactions to break the plastic polymers into small organic compound
- Reusing plastics
- Burning plastics
- Sorting plastics into different types
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