DP Chemistry (last assessment 2024)
Question 17N.3.sl.TZ0.6b
| Date | November 2017 | Marks available | [Maximum mark: 1] | Reference code | 17N.3.sl.TZ0.6b |
| Level | sl | Paper | 3 | Time zone | TZ0 |
| Command term | Outline | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 1]
17N.3.sl.TZ0.6b
Nanotechnology has many applications.
(b)
Outline why the iron nanoparticle catalysts produced by the HIPCO process are more efficient than solid iron catalysts.
[1]
Markscheme
large surface area «on which carbon nanotubes form»
