DP Chemistry (last assessment 2024)
Question 18N.3.hl.TZ0.a
| Date | November 2018 | Marks available | [Maximum mark: 1] | Reference code | 18N.3.hl.TZ0.a |
| Level | hl | Paper | 3 | Time zone | TZ0 |
| Command term | State | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 1]
18N.3.hl.TZ0.a
Scientists have developed various analytical techniques.
State an analytical technique used to separate anabolic steroids from other compounds in an athlete’s urine or blood.
[1]
Markscheme
gas chromatography/GC
OR
high performance liquid chromatography/HPLC ✔
Accept “chromatography”, “TLC/thin-layer chromatography”, “paper chromatography” OR “extraction”.
Do not accept just “mass spectrometry/MS” but do not penalize any reference to MS with HPLC or GC (eg GC-MS).
