222 prompts matching "Measuring pH with paper and with a meter"
Exam practice: The common oxidising and reducing agents and their tests
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Chemistry at work: Redox reactions in batteries and cells
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Exam practice: The reactivity series and how it is established
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Spot my mistake: Assuming every metal is hard and dense
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Teach me: Ores, and what extraction means
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Quiz me: The link between reactivity and the method of extraction
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Chemistry at work: Metalloids, and where they sit between the two
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Teach me: The oxides of non-metals and their acidic nature
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Teach me: The electrolytic cell and the parts it is made of
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Quiz me: Strong electrolytes and weak electrolytes compared
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Exam practice: The electrolysis of molten and of aqueous compounds compared
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Spot my mistake: Predicting products without considering concentration
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Teach me: Chemical bonding and structure reviewed
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Exam practice: Electrolysis and electrochemistry reviewed
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Teach me: The Bronsted-Lowry definition of acids and bases
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Spot my mistake: Treating concentration and strength as the same thing
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Calculation practice: Calculating pH from hydrogen ion concentration
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Quiz me: The standard solution and how one is prepared
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Exam practice: The procedure for a standard acid-base titration
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Spot my mistake: Rinsing the burette with water before filling it
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