500 prompts matching "Chemistry at work: Metalloids, and where they sit between the two"
Calculation practice: Calculating the yield of soap from a given mass of oil
Act as my SS3 Chemistry tutor. Walk me through calculating the yield of soap from a given
Practice set: The classes of dye and how each is applied
Act as my SS3 Chemistry tutor. Give me five practice questions on the classes of dye and h
Calculation practice: Calculating the quantity of dye needed for a given fabric
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Calculation practice: Calculating the mass of iron lost to corrosion
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Spot my mistake: Treating carbon dioxide as a toxic pollutant
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Calculation practice: Interpreting pollutant concentration data
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Spot my mistake: Assuming boiling removes every impurity from water
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Calculation practice: Calculating the dose of a treatment chemical
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Calculation practice: Calculating the quantity of raw material for a cement batch
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Practice set: Half-life and the decay curve
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Spot my mistake: Balancing a nuclear equation without conserving charge
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Calculation practice: Calculating the activity remaining after several half-lives
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Quiz me: The work of an analytical chemist
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Real-life Nigeria: Further study in chemistry after secondary school
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Spot my mistake: The errors most often made in second-term SS3 Chemistry
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Practice set: A mixed set on the gas laws and the mole concept
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Spot my mistake: The physical chemistry errors examiners see most often
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Real-life Nigeria: Interpreting a graph in a physical chemistry question
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Practice set: A mixed set on metals, non-metals and their compounds
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Spot my mistake: The inorganic chemistry errors examiners see most often
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