Preparation of a pure, Chemistry AT 2– Safe use of appropriate heating devices and dry sample of a soluble 4.4.2.3 techniques including use of a Bunsen burner and a salt from an insoluble bath or electric heater. Trilogy or carbonate, using 5.4.2.3 AT 3 Use of appropriate apparatus and techniques for – a Bunsen burner to conducting chemical reactions, including appropriate Synergy heat dilute acid and a reagents. 4.7.3.2 water bath or electric AT 4 Safe use of a trial of equipment to purify and/or – heater to evaporate the separate chemical mixtures including evaporation, solution. filtration, crystallisation. AT 6 Safe use and careful handling of liquids and – solids, including careful mixing of reagents under controlled conditions. WS 2.3, WS 2.4 Neutralisation Spec ref. Skills (Chemistry only) Determination of the Chemistry AT 1- Use of appropriate apparatus to make and record reacting volumes of 4.4.2.4 a range of measurements accurately, including volume solutions of a strong of liquids. acid and a strong alkali AT 8 - The determination of concentrations of strong by titration. and strong alkalis. Higher Tier only MS 1a, MS 1c, MS 2a, WS 2.4, WS 2.6 Determination of the concentration of one of the solutions in mol/dm3 and g/dm3 from the reacting volumes and the known concentration of the other solution. Electrolysis Spec ref. Skills Investigate what Chemistry AT 3 - Use of appropriate apparatus and techniques for happens when 4.4.3.4 conducting and monitoring chemical reactions. aqueous solutions are Trilogy AT 7 Use of appropriate apparatus and techniques to – electrolysed using inert 5.4.3.4 draw, set up and use electrochemical for separation electrodes. and production of elements and compounds. Synergy This should be an 4.7.5.3 AT 8 - Use of appropriate qualitative reagents and investigation techniques to analyse and identify unknown samples or involvingdeveloping a products including gas tests for hydrogen, oxygen and hypothesis. chlorine (Chemistry only).
Preparation of a pure, dry sample of a soluble salt from an insoluble or carbonate, using a Bunsen burner to heat dilute acid and a water bath or electric heater to evaporate the solution. Chemistry 4.4.2.3 Trilogy 5.4.2.3 Synergy 4.7.3.2 AT 2– Safe use of appropriate heating devices and techniques including use of a Bunsen burner and a bath or electric heater. AT 3 – Use of appropriate apparatus and techniques for conducting chemical reactions, including appropriate reagents. AT 4 – Safe use of a of equipment to purify and/or separate chemical mixtures including evaporation, filtration, crystallisation. AT 6 – Safe use and careful handling of liquids and solids, including careful mixing of reagents under controlled conditions. WS 2.3, WS 2.4 Neutralisation (Chemistry only) Spec ref. Skills Determination of the reacting volumes of solutions of a strong acid and a strong alkali by titration. Higher Tier only Determination of the concentration of one of the solutions in mol/dm3 and g/dm3 from the reacting volumes and the known concentration of the other solution. Chemistry 4.4.2.4 AT 1- Use of appropriate apparatus to make and record a range of measurements accurately, including volume of liquids. AT 8 - The determination of concentrations of strong and strong alkalis. MS 1a, MS 1c, MS 2a, WS 2.4, WS 2.6 Electrolysis Spec ref. Skills Investigate what happens when aqueous solutions are electrolysed using inert electrodes. This should be an investigation involvingdeveloping a hypothesis. Chemistry 4.4.3.4 Trilogy 5.4.3.4 Synergy 4.7.5.3 AT 3 - Use of appropriate apparatus and techniques for conducting and monitoring chemical reactions. AT 7 – Use of appropriate apparatus and techniques to draw, set up and use electrochemical for separation and production of elements and compounds. AT 8 - Use of appropriate qualitative reagents and techniques to analyse and identify unknown samples or products including gas tests for hydrogen, oxygen and chlorine (Chemistry only). trial
AQA-8462-PRACTICALS-HB.DOCX