500 prompts matching "Exam practice: Sublimation and the substances that show it"
Chemistry at work: Functional groups in Nigerian pharmaceuticals
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Teach me: Qualitative analysis reviewed
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Spot my mistake: Expecting a detergent to fail in hard water as soap does
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Real-life Nigeria: Local soap production in Nigeria
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Spot my mistake: Describing painting as a chemical method of rust prevention
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Spot my mistake: Treating carbon dioxide as a toxic pollutant
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Spot my mistake: Assuming boiling removes every impurity from water
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Spot my mistake: Confusing cement with concrete
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Spot my mistake: Balancing a nuclear equation without conserving charge
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Spot my mistake: Assuming chemistry leads only to laboratory work
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Real-life Nigeria: Interpreting a graph in a physical chemistry question
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Spot my mistake: Writing an inference where only an observation is asked for
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Spot my mistake: Losing marks by dropping units mid-calculation
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Real-life Nigeria: Checking an answer for physical sense
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Real-life Nigeria: Stoichiometry in a Nigerian industrial context
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Chemistry at work: Deciding which optional questions to attempt
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Chemistry at work: How spectra reveal electronic structure
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Teach me: What periodicity means
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Spot my mistake: Explaining a group trend by nuclear charge alone
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Spot my mistake: Describing a polar covalent bond as ionic
Act as my SS3 Chemistry tutor. Show me a worked answer on describing a polar covalent bond