450 prompts matching "Building models of ethene and of ethyne"
Practice set: Water as a universal solvent
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Spot my mistake: Confusing a solution with a suspension
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Chemistry at work: The laboratory tests for water
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Teach me: What makes water hard
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Practice set: Removing permanent hardness from water
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Chemistry at work: Water quality work in Nigeria
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Teach me: What a base is
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Spot my mistake: Calling every base an alkali
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Exam practice: Choosing the right indicator for a given titration
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Calculation practice: Relating pH to hydrogen ion concentration
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Chemistry at work: PH control in Nigerian food processing
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Quiz me: The apparatus used in a titration
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Exam practice: Recording titration readings in a results table
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Calculation practice: Calculating an unknown concentration from titre values
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Teach me: What allotropy means
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Spot my mistake: Explaining graphite's conductivity by the wrong structure
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Exam practice: The products obtained from coal
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Spot my mistake: Confusing coal with coke in a question
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Calculation practice: Calculating the yield from destructive distillation
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Quiz me: Preparing carbon dioxide in the laboratory
Act as my SS1 Chemistry tutor and quiz me on preparing carbon dioxide in the laboratory. A