250 prompts matching "Limiting reagent problems, and how to spot the limit"
Exam practice: Converting ammonia into nitrogenous fertiliser
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Calculation practice: Calculating the mass of fertiliser from a mass of ammonia
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Real-life Nigeria: Fertiliser production and use in Nigeria
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Calculation practice: Calculating the mass of iron from a mass of ore
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Practice set: Half-life and what it means
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Calculation practice: Calculating the amount remaining after several half-lives
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Practice set: The cement industry in Nigeria
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Spot my mistake: Assuming Nigeria must import all its industrial chemicals
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Calculation practice: Calculating output and efficiency for a plant
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Quiz me: The formation of an ionic bond in sodium chloride
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Exam practice: Single, double and triple covalent bonds
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Quiz me: The properties that metallic bonding explains
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Explain back: Malleability and ductility in terms of structure
I have just studied malleability and ductility in terms of structure in my SS2 Chemistry c
Teach me: Oxidation defined by oxygen, by hydrogen and by electrons
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Exam practice: Identifying the species oxidised in a reaction
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Real-life Nigeria: Oxidation in the rusting of Nigerian roofing sheets
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Teach me: Reduction defined, and always paired with oxidation
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Teach me: The general physical properties of metals
You are my personal SS2 Chemistry tutor. Teach me the general physical properties of metal
Quiz me: Where the metals sit in the periodic table
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Explain back: Why metals conduct heat and electricity
I have just studied why metals conduct heat and electricity in my SS2 Chemistry class. Let