Chemistry 9701/34 May June 2015 | Cambridge AS Level Past Papers With Mark Scheme
1. Titrimetric analysis of ammonia solutions, including calculation of diluted and concentrated ammonia concentrations using titration data.
2. Enthalpy of solution determination for ammonium chloride, incorporating experimental temperature changes, mass measurements, and energy calculations.
3. Error analysis and procedural improvements in practical experiments, focusing on temperature measurement accuracy and heat loss prevention.
4. Qualitative analysis of ions in solutions, identifying cations and anions through precipitation reactions and solubility tests.
5. Identification of gases evolved during reactions and their confirmation using standard chemical tests.
6. Use of reaction mechanisms and balanced equations for analyzing complex chemical systems in laboratory settings.

باز نشر محتواها در فضای مجازی، ممنوع است.