DP Chemistry (last assessment 2024)
Question 19N.3.sl.TZ0.4d
| Date | November 2019 | Marks available | [Maximum mark: 2] | Reference code | 19N.3.sl.TZ0.4d |
| Level | sl | Paper | 3 | Time zone | TZ0 |
| Command term | Discuss | Question number | d | Adapted from | N/A |
d.
[Maximum mark: 2]
19N.3.sl.TZ0.4d
Polypropene is used to make many objects including carpets, stationery and laboratory equipment.
(d)
Discuss why the recycling of plastics is an energy intensive process.
[2]
Markscheme
Any two of:
collection/transportation of plastic waste ✔
separation of different types «of plastic»
OR
separation of plastic from other materials ✔
melting plastic ✔
processing/washing/cleaning/drying/manufacture of recycled plastic ✔
