500 prompts matching "Extraction by electrolysis, and when it is necessary"
Spot my mistake: Using an unbalanced equation in a stoichiometry calculation
Act as my SS1 Chemistry tutor. Show me a worked answer on using an unbalanced equation in
Quiz me: Strong acids and weak acids
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Quiz me: Normal salts, acid salts and basic salts
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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.
Spot my mistake: Choosing distillation where filtration would do
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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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Spot my mistake: The errors most often made in second-term SS1 Chemistry
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Quiz me: Electrolytes and non-electrolytes
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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.
Spot my mistake: Assigning an oxidation number to the wrong atom
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Calculation practice: Balancing a redox equation by oxidation number
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Spot my mistake: Saying a catalyst is used up during a reaction
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Spot my mistake: Confusing the two oxides of carbon in a test
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Quiz me: Air pollutants and where they come from
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Quiz me: Soaps and detergents, and how they clean
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Spot my mistake: Assuming every chemical is harmful
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Spot my mistake: The errors most often made in third-term SS1 Chemistry
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Spot my mistake: Assuming every chemical plant makes the same kind of product
Act as my SS1 Chemistry tutor. Show me a worked answer on assuming every chemical plant ma