Simple acid-base titration: determine HCl concentration using NaOH. Step-by-step method, safety precautions and calculations for IB and IGCSE chemistry.
Titration – Redox Iron tablet
Redox titration: determine percentage by mass of iron(II) sulfate in iron tablets using potassium manganate(VII). IB and A-level method with calculations.
Winkler Method: Dissolved Oxygen and BOD Titration
Winkler method: redox titration to measure dissolved oxygen and calculate biological oxygen demand (BOD) in water. IB and A-level chemistry practical.
Calculating the Molecular mass of a gas
Calculate the molecular mass of butane gas using a measuring cylinder and the ideal gas equation. IB and A-level chemistry practical with worked calculations.
Enthalpy: Combustion of Alcohols and Calorimeter Calibration
Determine the heat of combustion of alcohols and calibrate a calorimeter. IB and A-level enthalpy practical with heat capacity calculations and error analysis.
Halogen Displacement Reactions: Chemistry Practical
Investigate halogen displacement reactions using potassium halide salts and halogen solutions. IB and IGCSE chemistry practical with observations and analysis.
Practical Science 