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Answer Performance Topics
。2019 Paper 1 Section B Q1 >> -
。Atomic structure, periodic table
。Ionic and covalent bond
。Reactivity of metals and metal ion properties
。Salts and neutralisation / Acid base reaction
。2019 Paper 1 Section B Q2 >> -
。Atomic structure, periodic table
。Ionic and covalent bond

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2025 DSE timetable
1st Subject

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