500 prompts matching "The classes of dye and how each is applied"
Chemistry at work: Empirical and molecular formulae from composition data
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Explain back: What a base is, and what an alkali is
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Calculation practice: Calculating the concentration of an acid solution
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Explain back: The methods of preparing a soluble salt
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Spot my mistake: Choosing the wrong preparation method for a given salt
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Quiz me: Groups and periods, and what each tells you
Act as my SS1 Chemistry tutor and quiz me on groups and periods, and what each tells you.
Practice set: The trend in ionisation energy down a group
Act as my SS1 Chemistry tutor. Give me five practice questions on the trend in ionisation
Real-life Nigeria: The alkali metals and the halogens as families
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Chemistry at work: How Mendeleev's table predicted undiscovered elements
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Explain back: Evaporation, crystallisation and distillation
I have just studied evaporation, crystallisation and distillation in my SS1 Chemistry clas
Practice set: Fractional distillation and what it separates
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Explain back: Water as a solvent, and the solutions it forms
I have just studied water as a solvent, and the solutions it forms in my SS1 Chemistry cla
Quiz me: Separating the components of air
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Explain back: The laboratory preparation of oxygen
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Spot my mistake: Treating air as a compound rather than a mixture
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Calculation practice: Calculating the volume of oxygen used in a reaction
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Calculation practice: A mixed set of second-term chemistry calculations
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Teach me: What electrolysis is
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Spot my mistake: Confusing the anode with the cathode
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Quiz me: Oxidation and reduction in terms of hydrogen
Act as my SS1 Chemistry tutor and quiz me on oxidation and reduction in terms of hydrogen.