227 prompts matching "Exam practice: Heat of reaction, of neutralisation and of combustion"
Explain back: Why oxidation and reduction always occur together
I have just studied why oxidation and reduction always occur together in my SS2 Chemistry
Calculation practice: Balancing a redox equation in acidic solution
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Real-life Nigeria: Redox in Nigerian bleaching and water treatment
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Spot my mistake: Assuming every metal is hard and dense
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Calculation practice: Comparing metals by a density calculation
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Real-life Nigeria: Nigeria's metal deposits and their exploitation
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Calculation practice: Predicting a non-metal's valency from its group
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Chemistry at work: Metalloids, and where they sit between the two
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Quiz me: Strong electrolytes and weak electrolytes compared
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Explain back: The preferential discharge of ions
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Calculation practice: Applying Faraday's first law to a calculation
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Real-life Nigeria: Electroplating and metal purification in Nigeria
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Explain back: Metals and their extraction reviewed
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Real-life Nigeria: Linking bonding, structure and properties together
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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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Real-life Nigeria: Buffer solutions and where they matter
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Quiz me: The standard solution and how one is prepared
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Explain back: Primary standards, and what makes a substance suitable
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Real-life Nigeria: Back titration, and when it is used
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