use of appropriate apparatus to record a range of measurements (to include mass, time, volume of liquids and gases, temperature)
use of appropriate apparatus to record a range of measurements (to include mass, time, volume of liquids and gases, temperature)
use of a water bath or electric heater or sand bath for heating
measurement of pH using pH charts, or pH meter, or pH probe on a data logger
use of laboratory apparatus for a variety of experimental techniques including:
(i) titration, using burette and pipette (ii) distillation and heating under reflux, including setting up glassware using retort stand and clamps (iii) qualitative tests for ions and organic functional groups (iv) filtration, including use of fluted filter paper, or filtration under reduced pressure
use of a volumetric flask, including accurate technique for making up a standard solution
use of acid–base indicators in titrations of weak/strong acids with weak/strong alkalis
purification of:
(i) a solid product by recrystallisation (ii) a liquid product, including use of a separating funnel
use of melting point apparatus
use of thin layer or paper chromatography
setting up of electrochemical cells and measuring voltages
safely and carefully handling solids and liquids, including corrosive, irritant, flammable and toxic substances
measurement of rates of reaction by at least two different methods, for example:
(i) an initial rate method such as a clock reaction (ii) a continuous monitoring method.