250 prompts matching "Using an unbalanced equation in a stoichiometry calculation"
Quiz me: Where the metals sit in the periodic table
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Exam practice: The reactivity series and how it is established
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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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Real-life Nigeria: Nigeria's metal deposits and their exploitation
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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
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Real-life Nigeria: The non-metals essential to Nigerian agriculture
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Chemistry at work: Metalloids, and where they sit between the two
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Spot my mistake: Describing a non-metal oxide as basic
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Quiz me: Strong electrolytes and weak electrolytes compared
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Exam practice: The electrolysis of molten and of aqueous compounds compared
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Spot my mistake: Predicting products without considering concentration
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Practice set: Non-metals and their compounds reviewed
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Exam practice: Electrolysis and electrochemistry reviewed
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Spot my mistake: The errors most often made in first-term SS2 Chemistry
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Practice set: Amphoteric substances and how they behave
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Exam practice: The hydrolysis of salts and the pH that results
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Real-life Nigeria: Buffer solutions and where they matter
Act as my SS2 Chemistry tutor. Show me where buffer solutions and where they matter turns