500 prompts matching "Assigning oxidation numbers in compounds and in ions"
Calculation practice: Relating pH to hydrogen ion concentration
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Chemistry at work: PH control in Nigerian food processing
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Teach me: What a titration is, and why it is done
You are my personal SS1 Chemistry tutor. Teach me what a titration is, and why it is done,
Spot my mistake: Reading a burette from the wrong part of the meniscus
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Calculation practice: Calculating an unknown concentration from titre values
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Spot my mistake: Explaining graphite's conductivity by the wrong structure
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Calculation practice: Comparing the densities of the carbon allotropes
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Chemistry at work: The newer forms of carbon and what they promise
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Spot my mistake: Confusing coal with coke in a question
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Calculation practice: Calculating the yield from destructive distillation
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Chemistry at work: Carbon black, animal charcoal and their uses
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Spot my mistake: Assuming both oxides of carbon behave the same way
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Calculation practice: Calculating the volume of carbon dioxide from a carbonate
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Teach me: What organic chemistry is, and why carbon is special
You are my personal SS1 Chemistry tutor. Teach me what organic chemistry is, and why carbo
Spot my mistake: Naming a branched chain from the wrong end
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Calculation practice: Working out a molecular formula from a general formula
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Real-life Nigeria: Isomerism, and why it matters
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Chemistry at work: Organic chemistry in the Nigerian oil industry
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Spot my mistake: Confusing solubility with the rate of dissolving
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Calculation practice: Reading a solubility curve to find a value
Act as my SS1 Chemistry tutor. Walk me through reading a solubility curve to find a value