DP Chemistry (last assessment 2024)
Question 19M.3.hl.TZ1.c
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.3.hl.TZ1.c |
| Level | hl | Paper | 3 | Time zone | TZ1 |
| Command term | Suggest | Question number | c | Adapted from | N/A |
c.
[Maximum mark: 1]
19M.3.hl.TZ1.c
E10 is composed of 10% ethanol and 90% normal unleaded fuel.
Biodiesel containing ethanol can be made from renewable resources.
Suggest one environmental disadvantage of producing biodiesel from renewable resources.
[1]
Markscheme
use of «farm» land «for production»
OR
deforestation «for crop production for fuel»
OR
can release more NOx «than normal fuel on combustion» [✔]
Note: Ignore any reference to cost.
Examiners report
Most could suggest one environmental disadvantage of producing biodiesel from renewable resources.
