500 prompts matching "The origin and composition of crude oil"
Practice set: Fractional distillation and what it separates
Act as my SS1 Chemistry tutor. Give me five practice questions on fractional distillation
Exam practice: Chromatography and how it works
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Quiz me: The physical properties that make water unusual
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Spot my mistake: Treating air as a compound rather than a mixture
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Quiz me: Symbols, formulae and equations reviewed
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Practice set: Acids, bases and salts reviewed
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Quiz me: Electrolytes and non-electrolytes
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Exam practice: The factors that determine which ion is discharged
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Spot my mistake: Confusing the anode with the cathode
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Spot my mistake: Assigning an oxidation number to the wrong atom
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Quiz me: Ionic bonding and how it forms
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Practice set: Drawing dot-and-cross diagrams
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Project task: Modelling ionic and covalent structures
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Explain back: Activation energy and what it represents
I have just studied activation energy and what it represents in my SS1 Chemistry class. Le
Practice set: Enthalpy change and its sign convention
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Spot my mistake: Giving an exothermic change a positive enthalpy
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Calculation practice: Calculating the heat evolved in a reaction
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Quiz me: Diamond and graphite compared
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Spot my mistake: Assuming diamond and graphite are different elements
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Real-life Nigeria: Charcoal and coal in Nigerian use
Act as my SS1 Chemistry tutor. Show me where charcoal and coal in Nigerian use turns up in