metals. PAG C1, C7, C8: Reaction of metals with water, dilute hydrochloric acid. PAG C1, C7, C8: Displacement reactions involving metals and metal salts. PAG C5: Flame tests. PAG C5: Testing unknown solutions for cations and anions. C4.2 Identifying the products of – 8 / 1 PAG C5: Tests for anions using silver nitrate chemical reactions and barium sulfate. PAG C5: Tests for cations using sodium hydroxide. Total 16 / 7 Suggested teaching hours Topics Comments and PAG opportunities Separate / Combined Topic C5: Monitoring and controlling chemical reactions PAG C6: Acid/alkali titrations. C5.1 Monitoring chemical – 12 / 1 PAG C8: Measurement of gas volumes and reactions calculating amount in moles. PAG C1, C7, C8: Marble chip and acid or magnesium and acid experiments either measuring reaction time or the volume of gas over time. PAG C1, C8: Catalysis of hydrogen peroxide with various black powders including MnO2. PAG C1, C8: Catalysis of reaction of zinc with sulfuric acid using copper powder. 10 / 10 C5.2 Controlling reactions PAG C1, C8: Magnesium and acid, marble chip – and acid. PAG C1, C8: Rate of reaction experiments. PAG C1, C8: Reaction of magnesium and acid with different temperatures of acid measure – reaction times. PAG C1, C8: Varying surface area with marble chips and hydrochloric acid. PAG C8: Disappearing cross experiment. 3 / 3 C5.3 Equilibria – Total 25 / 14 Topic C6: Global challenges PAG C1: Extraction of copper by heating copper oxide with carbon. PAG C2: Electrolysis of aqueous copper sulfate C6.1 Improving processes and solution. – 16 / 7 products PAG C2: Electrolysis of aqueous sodium chloride solution. PAG C6: Preparation of potassium sulfate or ammonium sulfate using a titration method. 12 / 4 C6.2 Organic chemistry – C6.3 Interpreting and interacting – 8 / 7 with earth systems Total 36 / 18 GRAND TOTAL SUGGESTED HOURS 140 / 98 hours – This symbol indicates content that is found only in the chemistry separate science qualification.
metals. PAG C1, C7, C8: Reaction of metals with water, dilute hydrochloric acid. PAG C1, C7, C8: Displacement reactions involving metals and metal salts. C4.2 – Identifying the products of chemical reactions 8 / 1 PAG C5: Flame tests. PAG C5: Testing unknown solutions for cations and anions. PAG C5: Tests for anions using silver nitrate and barium sulfate. PAG C5: Tests for cations using sodium hydroxide. Total 16 / 7 Topics Suggested teaching hours Separate / Combined Comments and PAG opportunities Topic C5: Monitoring and controlling chemical reactions C5.1 – Monitoring chemical reactions 12 / 1 PAG C6: Acid/alkali titrations. PAG C8: Measurement of gas volumes and calculating amount in moles. C5.2 – Controlling reactions 10 / 10 PAG C1, C7, C8: Marble chip and acid or magnesium and acid experiments either measuring reaction time or the volume of gas over time. PAG C1, C8: Catalysis of hydrogen peroxide with various black powders including MnO2. PAG C1, C8: Catalysis of reaction of zinc with sulfuric acid using copper powder. PAG C1, C8: Magnesium and acid, marble chip and acid. PAG C1, C8: Rate of reaction experiments. PAG C1, C8: Reaction of magnesium and acid with different temperatures of acid – measure reaction times. PAG C1, C8: Varying surface area with marble chips and hydrochloric acid. PAG C8: Disappearing cross experiment. C5.3 – Equilibria 3 / 3 Total 25 / 14 Topic C6: Global challenges C6.1 – Improving processes and products 16 / 7 PAG C1: Extraction of copper by heating copper oxide with carbon. PAG C2: Electrolysis of aqueous copper sulfate solution. PAG C2: Electrolysis of aqueous sodium chloride solution. PAG C6: Preparation of potassium sulfate or ammonium sulfate using a titration method. C6.2 – Organic chemistry 12 / 4 C6.3 – Interpreting and interacting with earth systems 8 / 7 Total 36 / 18 GRAND TOTAL SUGGESTED HOURS – 140 / 98 hours This symbol indicates content that is found only in the chemistry separate science qualification.
307972-topic-c3-suggested-teaching-hours-and-outline-scheme-of-work.docx