391 prompts matching "Exam practice: Identifying cations with aqueous ammonia"
Quiz me: Reading mole ratios from a balanced equation
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Spot my mistake: Using an unbalanced equation in a stoichiometry calculation
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Chemistry at work: Empirical and molecular formulae from composition data
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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
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Spot my mistake: Reading a group trend as though it were a period trend
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Chemistry at work: How Mendeleev's table predicted undiscovered elements
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Quiz me: Filtration, and when it is the right method
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Spot my mistake: Choosing distillation where filtration would do
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Project task: Separating a mixture at home
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Quiz me: The physical properties that make water unusual
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Project task: Testing water hardness in my own area
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Quiz me: Separating the components of air
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Spot my mistake: Treating air as a compound rather than a mixture
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Chemistry at work: The uses of the gases separated from air
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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
Act as my SS1 Chemistry tutor and quiz me on electrolytes and non-electrolytes. Ask five q