Home > Subjects > Chemistry > Level 3 > 3.7 Aqueous systems > Assessment
- Subject: Chemistry
- AS: AS90700
- Level: 3
- Credits: 5
- External
Chemistry 3.7 Describe properties of aqueous systems
Assessment
- There will be a written examination at the end of the year.
- Questions for all three levels of achievement will be distributed throughout the paper.
- Bring a calculator.
- You will not be given a periodic table.
- You will be expected to recognise:
- common strong acids (HCl, HBr, HNO3, H2SO4)
- strong bases (KOH, NaOH)
- weak acids (HF, CH3COOH, and NH4+)
- weak bases (NH3, CH3NH2, and CH3COO-).
- Less familiar weak acids and bases may be included in the context of appropriate resource information.
- Values of Kb or pKb will not be provided but may be derived and used in calculations.
