500 prompts matching "What corrosion is, and what rusting requires"
Exam practice: Evaporation to dryness and its limitations
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Spot my mistake: Choosing decantation where filtration is needed
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Practice set: Separating a mixture of two miscible liquids
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Exam practice: The fractional distillation of crude oil
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Spot my mistake: Using simple distillation on liquids with close boiling points
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Calculation practice: Reading a distillation temperature curve
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Project task: Building a simple distillation set-up
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Teach me: Chromatography and the principle behind it
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Exam practice: Magnetic separation and the use of a separating funnel
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Spot my mistake: Reading a chromatogram without marking the solvent front
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Real-life Nigeria: Chromatography in Nigerian food and drug testing
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Teach me: The subatomic particles and the charge each carries
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Exam practice: Isotopy, with examples of isotopes
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Spot my mistake: Thinking isotopes of an element react differently
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Calculation practice: Calculating relative atomic mass from isotope abundances
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Teach me: Electron shells and the maximum each can hold
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Spot my mistake: Giving an ion the same configuration as its parent atom
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Real-life Nigeria: Why some elements react vigorously and others hardly at all
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Teach me: Why chemists use symbols rather than words
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Explain back: What a chemical formula tells you
I have just studied what a chemical formula tells you in my SS1 Chemistry class. Let me ex