| Date | November 2011 | Marks available | 4 | Reference code | 11N.3.hl.TZ0.E1 |
| Level | HL | Paper | 3 | Time zone | TZ0 |
| Command term | Outline | Question number | E1 | Adapted from | N/A |
Question
Nitrogen dioxide and sulfur dioxide are two air pollutants.
Both of these air pollutants also contribute to acid deposition. Outline mechanisms for the formation of \({\text{HN}}{{\text{O}}_{\text{3}}}\) and \({\text{S}}{{\text{O}}_{\text{3}}}\).
Markscheme
For [1 max]
specific effect on certain diseases e.g. relieves nausea in cancer patients to gain mass/weight / relieves glaucoma/Parkinson’s disease symptoms / increases appetite in AIDs patients;
personal freedom argument / frees police to deal with other/more serious crimes / more taxes / OWTTE;
No mark for comment such as: cannabis is no more harmful than other legal drugs so why should cannabis be different.
Against [1 max]
increased risk of lung cancer / respiratory ailments / may suppress body’s immune system;
may lead to use of harder drugs;
Examiners report
The argument for and against the legalization of cannabis often produced general answers that were rather journalistic in nature with little specific detail provided to score the marks. Usually the last marking point for argument against was scored.
