500 prompts matching "Variable oxidation state, and why it arises"
Exam practice: Fertiliser and how it is manufactured in Nigeria
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Teach me: What a mixture is, and how it differs from a compound
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Explain back: Filtration and the apparatus it uses
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Practice set: Decantation, and when it is appropriate
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Exam practice: Evaporation to dryness and its limitations
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Teach me: Crystallisation, and how it purifies a solid
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Quiz me: Simple distillation and what it separates
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Teach me: Chromatography and the principle behind it
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Quiz me: Paper chromatography and how it is carried out
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Explain back: The Rf value and what it tells you
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Quiz me: The nucleus and what it contains
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Explain back: The octet rule and chemical stability
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Real-life Nigeria: The elements Nigeria mines, and where they sit in the table
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Explain back: Hydrogen bonding and the effects it produces
I have just studied hydrogen bonding and the effects it produces in my SS1 Chemistry class
Practice set: The pressure law and its graph
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Quiz me: The general gas equation and the terms in it
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Practice set: Molar volume and its value at s.t.p.
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Real-life Nigeria: Graham's law of diffusion and the uses made of it
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Exam practice: Solubility and the factors that affect it
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Real-life Nigeria: The water cycle and its importance
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