250 prompts matching "Graphite in Nigerian pencils and electrodes"
Quiz me: Recognising oxidation in a given equation
Act as my SS2 Chemistry tutor and quiz me on recognising oxidation in a given equation. As
Exam practice: Identifying the species oxidised in a reaction
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Spot my mistake: Assigning an oxidation number without checking the overall charge
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Calculation practice: Working out the change in oxidation number
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Practice set: Balancing a redox equation by half-equations
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Spot my mistake: Calling the oxidising agent the substance that is oxidised
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Calculation practice: Balancing a redox equation in acidic solution
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Quiz me: Where the metals sit in the periodic table
Act as my SS2 Chemistry tutor and quiz me on where the metals sit in the periodic table. A
Exam practice: The reactivity series and how it is established
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Calculation practice: Comparing metals by a density calculation
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Exam practice: The extraction of iron in the blast furnace
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Spot my mistake: Proposing carbon reduction for a very reactive metal
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Calculation practice: Calculating the mass of metal obtainable from an ore
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Quiz me: Where the non-metals sit in the periodic table
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Practice set: The chemical behaviour of metals and non-metals compared
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Spot my mistake: Assuming all non-metals are gases
Act as my SS2 Chemistry tutor. Show me a worked answer on assuming all non-metals are gase
Calculation practice: Predicting a non-metal's valency from its group
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Real-life Nigeria: The non-metals essential to Nigerian agriculture
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Spot my mistake: Describing a non-metal oxide as basic
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Calculation practice: Calculating the volume of a gas from a given mass
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