448 prompts matching "Mole and mass conversions under time pressure"
Calculation practice: Comparing soap lather as a measure of hardness
Act as my SS1 Chemistry tutor. Walk me through comparing soap lather as a measure of hardn
Chemistry at work: Water quality work in Nigeria
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Practice set: The preparation of a named alkali
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Spot my mistake: Calling every base an alkali
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Calculation practice: Calculating the concentration of an alkali
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Chemistry at work: The uses of bases in Nigerian industry
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Spot my mistake: Reading a pH of 7 as meaning no ions are present
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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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Explain back: The steps of an acid-base titration
I have just studied the steps of an acid-base titration in my SS1 Chemistry class. Let me
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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Explain back: The destructive distillation of coal
I have just studied the destructive distillation of coal in my SS1 Chemistry class. Let me
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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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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Spot my mistake: Naming a branched chain from the wrong end
Act as my SS1 Chemistry tutor. Show me a worked answer on naming a branched chain from the