Resources
Resources by Nouman Ahmed
188 published. Showing 49 to 96.
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Revision notes
AS Chemistry: Group 17 — The Halogens — Revision Notes
Condensed recall notes on halogen trends, halide reducing power, the silver nitrate test and disproportionation for Cambridge AS & A Level Chemistry 9701.
Cambridge · AS Level
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AS Chemistry: Group 2 — Practice Questions
Original exam-style practice questions with full worked answers on Group 2 reactivity, solubility trends and thermal stability for AS Chemistry.
Cambridge · AS Level
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AS Chemistry: Group 2 — Revision Notes
Condensed recall notes on Group 2 reactions, thermal stability and solubility trends for Cambridge AS & A Level Chemistry 9701.
Cambridge · AS Level
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AS Chemistry: Halogenoalkanes — Practice Questions
Original exam-style practice questions with full worked answers on nucleophilic substitution, elimination and hydrolysis rates for AS Chemistry.
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AS Chemistry: Halogenoalkanes — Revision Notes
Condensed recall notes on nucleophilic substitution SN1 and SN2, elimination and reactivity trends for Cambridge AS & A Level Chemistry 9701.
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AS Chemistry: Alkanes and Alkenes — Practice Questions
Original exam-style practice questions with full worked answers on free radical substitution, electrophilic addition and Markovnikov for AS Chemistry.
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AS Chemistry: Alkanes and Alkenes — Revision Notes
Condensed recall notes on free-radical substitution and electrophilic addition mechanisms for Cambridge AS & A Level Chemistry 9701.
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AS Chemistry: Atomic Structure and Ionisation Energy — Practice Questions
Original exam-style practice questions with full worked answers on ionisation energy trends, sub-shells and electron configurations for AS Chemistry.
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AS Chemistry: Atomic Structure and Ionisation Energy — Revision Notes
Condensed recall notes on orbitals, electron configuration and ionisation energy trends for Cambridge International AS & A Level Chemistry 9701.
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AS Chemistry: Reaction Kinetics — Practice Questions
Original exam-style practice questions with full worked answers on collision theory, activation energy, catalysts and Boltzmann distributions for AS Chemistry.
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AS Chemistry: Reaction Kinetics — Revision Notes
Condensed recall notes on collision theory, activation energy, the Boltzmann distribution and catalysis for Cambridge AS & A Level Chemistry 9701.
Cambridge · AS Level
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AS Chemistry: Nitrogen and Sulfur — Practice Questions
Original exam-style practice questions with full worked answers on ammonia, nitrogen oxides, acid rain and the Contact process for AS Chemistry.
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AS Chemistry: Nitrogen and Sulfur — Revision Notes
Condensed recall notes on nitrogen’s inertness, ammonia, oxides of nitrogen, acid rain and the Contact process for Cambridge AS & A Level Chemistry 9701.
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AS Chemistry: Periodicity Across Period 3 — Practice Questions
Original exam-style practice questions with full worked answers on period 3 trends, oxides and chlorides for AS Chemistry.
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AS Chemistry: Periodicity Across Period 3 — Revision Notes
Condensed recall notes on Period 3 trends and the reactions of the oxides and chlorides with water for Cambridge AS & A Level Chemistry 9701.
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AS Chemistry: Redox Processes — Practice Questions
Original exam-style practice questions with full worked answers on oxidation numbers, half-equations and redox titrations for AS Chemistry.
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AS Chemistry: Redox Processes — Revision Notes
Condensed recall notes on oxidation numbers, balancing redox equations and disproportionation for Cambridge AS & A Level Chemistry 9701.
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AS Chemistry: Ideal Gases and Structure — Practice Questions
Original exam-style practice questions with full worked answers on the ideal gas equation, kinetic theory and giant structures for AS Chemistry.
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AS Chemistry: Ideal Gases and Structure — Revision Notes
Condensed recall notes on the ideal gas equation, real gas deviations and the four lattice structures for Cambridge AS & A Level Chemistry 9701.
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AS Chemistry: Atoms, Molecules and Stoichiometry — Practice Questions
Original exam-style practice questions with full worked answers on the mole, empirical formulae, gas volumes and limiting reagents for AS Chemistry.
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AS Chemistry: Atoms, Molecules and Stoichiometry — Revision Notes
Condensed recall notes on mole calculations, limiting reagents, percentage yield and gas volumes for Cambridge AS & A Level Chemistry 9701.
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AS Chemistry: Organic Synthesis Routes — Practice Questions
Original exam-style practice questions with full worked answers on functional group interconversions and multi-step routes for AS Chemistry.
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AS Chemistry: Organic Synthesis Routes — Revision Notes
Condensed recall notes on the AS reaction map, functional group interconversions and planning multi-step synthesis for Cambridge AS & A Level Chemistry 9701.
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AS Chemistry: Addition Polymerisation — Practice Questions
Original exam-style practice questions with full worked answers on addition polymers, repeat units, properties and disposal for AS Chemistry.
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AS Chemistry: Addition Polymerisation — Revision Notes
Condensed recall notes on addition polymers, repeat units, properties and disposal for Cambridge AS & A Level Chemistry 9701.
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AS Chemistry: Ionic, Covalent and Metallic Bonding — Practice Questions
Original exam-style practice questions with full worked answers on bonding, structure and properties for Cambridge AS & A Level Chemistry 9701.
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AS Chemistry: Ionic, Covalent and Metallic Bonding — Revision Notes
Condensed recall notes on the three bond types, electronegativity and structure-property links for Cambridge AS & A Level Chemistry 9701, with polarisation as unassessed background.
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AS Chemistry: Carboxylic Acids and Esters — Practice Questions
Original exam-style practice questions with full worked answers on carboxylic acid reactions, esterification and hydrolysis.
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AS Chemistry: Carboxylic Acids and Esters — Revision Notes
Condensed recall notes on carboxylic acid preparation and reactions, esterification, hydrolysis and uses of esters for Cambridge AS & A Level Chemistry 9701.
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AS Chemistry: Chemical Equilibria — Practice Questions
Original exam-style practice questions with full worked answers on dynamic equilibrium, Kc, Kp and Le Chateliers principle for Cambridge AS & A Level Chemistry 9701.
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AS Chemistry: Chemical Equilibria — Revision Notes
Condensed recall notes on dynamic equilibrium, Kc and Kp, and Le Chateliers principle for Cambridge AS & A Level Chemistry 9701.
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AS Chemistry: Hess Law and Enthalpy Cycles — Practice Questions
Original exam-style practice questions with full worked answers on Hess cycles, bond enthalpy and calorimetry for Cambridge AS & A Level Chemistry 9701.
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AS Chemistry: Hess Law and Enthalpy Cycles — Revision Notes
Condensed recall notes on enthalpy definitions, Hess cycles, bond enthalpy and calorimetry for Cambridge AS & A Level Chemistry 9701.
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AS Chemistry: Infrared and Mass Spectrometry — Practice Questions
Original exam-style practice questions with full worked answers on IR absorptions, molecular ions, fragmentation and isotope patterns for Cambridge AS & A Level Chemistry 9701.
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AS Chemistry: Infrared and Mass Spectrometry — Revision Notes
Condensed recall notes on IR absorption, functional group identification, molecular ion, fragmentation and isotope patterns for Cambridge AS & A Level Chemistry 9701.
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AS Chemistry: Nitrogen Compounds — Practice Questions
Original exam-style practice questions with full worked answers on primary amine preparation, nitriles and hydroxynitriles for AS Chemistry, with clearly labelled A Level extension questions on amine basicity and further amine routes.
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AS Chemistry: Nitrogen Compounds — Revision Notes
Condensed recall notes on primary amine preparation, nitriles and hydroxynitriles for Cambridge AS & A Level Chemistry 9701, with amine basicity and further amine routes labelled as A Level extension.
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AS Chemistry: Introduction to Organic Chemistry — Practice Questions
Original exam-style practice questions with full worked answers on nomenclature, formulae, isomerism and reaction mechanisms terminology.
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AS Chemistry: Introduction to Organic Chemistry — Revision Notes
Condensed recall notes on nomenclature, formulae, isomerism, bond fission and mechanism types for Cambridge AS & A Level Chemistry 9701.
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AS Chemistry: Shapes of Molecules and Intermolecular Forces — Practice Questions
Original exam-style practice questions with full worked answers on VSEPR shapes, polarity and intermolecular forces for Cambridge AS & A Level Chemistry 9701.
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AS Chemistry: Shapes of Molecules and Intermolecular Forces — Revision Notes
Condensed recall notes on covalent and coordinate bonding, expanded octets, bond energy, dot-and-cross diagrams, VSEPR shapes, bond angles, polarity and van der Waals' forces (id-id, pd-pd and hydrogen bonding) for Cambridge AS & A Level Chemistry 9701.
Cambridge · AS Level
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IGCSE Chemistry: Chemistry of the Environment — Practice Questions
Original exam-style practice questions with full worked answers on air pollution, greenhouse gases, water treatment and fertilisers for IGCSE Chemistry.
Cambridge · IGCSE, O Level
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Chemistry of the Environment: Revision Notes
Condensed recall notes on water treatment, fertilisers, air pollutants and the greenhouse effect for Cambridge IGCSE 0620 and O Level 5070.
Cambridge · IGCSE, O Level
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Electrolysis and Fuel Cells: Practice Questions
Original exam-style practice questions with full worked answers on electrolysis, half equations, electroplating and fuel cells.
Cambridge · IGCSE, O Level
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Electrolysis and Fuel Cells: Revision Notes
Condensed recall notes on electrolysis of molten and aqueous compounds, predicting products, electroplating and fuel cells for Cambridge IGCSE 0620 and O Level 5070.
Cambridge · IGCSE, O Level
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Exothermic and Endothermic Reactions: Practice Questions
Original exam-style practice questions with full worked answers on energy profiles, bond energies and enthalpy calculations, plus two calorimetry questions labelled as background beyond 0620/5070 for progression to AS.
Cambridge · IGCSE, O Level
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Exothermic and Endothermic Reactions: Revision Notes
Condensed recall notes on energy changes, reaction pathway diagrams, activation energy and bond energy calculations for Cambridge IGCSE 0620 and O Level 5070.
Cambridge · IGCSE, O Level
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IGCSE Chemistry: Formulae, Equations and the Mole — Practice Questions
Original exam-style practice questions with full worked answers on formulae, balancing, moles, yield and concentration for IGCSE Chemistry.
Cambridge · IGCSE, O Level
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