500 prompts matching "Chemistry at work: The Nigerian iron and steel industry"
Practice set: Molar volume and its value at s.t.p.
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Calculation practice: Finding the volume of a gas under new conditions
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Real-life Nigeria: Graham's law of diffusion and the uses made of it
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Teach me: The structure of the water molecule
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Calculation practice: Calculating the solubility of a solute
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Exam practice: Where hard water helps, and where it hinders
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Spot my mistake: Treating every kind of hardness with the same method
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Calculation practice: Comparing soap lather as a measure of hardness
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Real-life Nigeria: Water pollution and its sources in Nigeria
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Practice set: The preparation of a named alkali
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Exam practice: The reactions of alkalis with acids and with ammonium salts
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Calculation practice: Calculating the concentration of an alkali
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Exam practice: Choosing the right indicator for a given titration
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Real-life Nigeria: PH in Nigerian soil testing and farming
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Teach me: What a titration is, and why it is done
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Practice set: The end point, and how it is recognised
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Practice set: The structure of graphite and the properties it gives
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Exam practice: The uses of diamond and of graphite
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Calculation practice: Comparing the densities of the carbon allotropes
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Real-life Nigeria: Graphite in Nigerian pencils and electrodes
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