PPA QUESTIONSAH Chemistry

2010-07

2010

PPA 1.2

PPA 3.1

2009

PPA 2.1 (and a bit of 2.2)

PPA 2.5

2008

PPA 2.3

PPA 3.2

2007

PPA 2.1

PPA 3.3

Predictions for 2011 paper

• PPA 1.1 – potassium trioxalatoferrate(III)

• PPA 2.2 – hydrated barium chloride

• PPA 2.4 – thermodynamic verification

• PPA 3.4 – preparation of aspirin

• PPA 3.5 – aspirin determination