250 prompts matching "Chemistry at work: Gas calculations in Nigerian industry"
Real-life Nigeria: Plastic waste and its disposal in Nigerian cities
Act as my SS2 Chemistry tutor. Show me where plastic waste and its disposal in Nigerian ci
Real-life Nigeria: Radioisotopes in Nigerian medicine and agriculture
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Practice set: The cement industry in Nigeria
Act as my SS2 Chemistry tutor. Give me five practice questions on the cement industry in N
Real-life Nigeria: The obstacles facing Nigerian chemical manufacturing
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Practice set: The formation of a covalent bond in a simple molecule
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Spot my mistake: Predicting ionic character from electronegativity difference
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Teach me: Oxidation defined by oxygen, by hydrogen and by electrons
You are my personal SS2 Chemistry tutor. Teach me oxidation defined by oxygen, by hydrogen
Practice set: Assigning oxidation numbers in compounds and in ions
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Spot my mistake: Assigning an oxidation number without checking the overall charge
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Teach me: Reduction defined, and always paired with oxidation
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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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Practice set: Making sulphur dioxide in the laboratory and testing it
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Spot my mistake: Predicting products without considering concentration
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Spot my mistake: The errors most often made in first-term SS2 Chemistry
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Spot my mistake: Treating concentration and strength as the same thing
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Spot my mistake: Rinsing the burette with water before filling it
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Practice set: Finding the concentration of an unknown acid
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Exam practice: Finding the concentration of an unknown alkali
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Spot my mistake: Averaging titres that are not concordant
Act as my SS2 Chemistry tutor. Show me a worked answer on averaging titres that are not co