250 prompts matching "The mole ratio and how it is read"
Real-life Nigeria: The properties of ionic and covalent compounds compared
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Practice set: Giant structures and simple molecular structures compared
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Real-life Nigeria: Alloys, and the reasons they are made
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Spot my mistake: Calling the oxidising agent the substance that is oxidised
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Chemistry at work: Redox reactions in batteries and cells
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Spot my mistake: Assuming every metal is hard and dense
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Spot my mistake: The errors most often made in first-term SS2 Chemistry
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Real-life Nigeria: Linking bonding, structure and properties together
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Chemistry at work: Preparing a revision plan for the SS2 first term
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Real-life Nigeria: Buffer solutions and where they matter
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Practice set: Finding the concentration of an unknown acid
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Exam practice: Finding the concentration of an unknown alkali
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Spot my mistake: Averaging titres that are not concordant
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Real-life Nigeria: Fuels and their heating values in Nigeria
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Exam practice: The effect of temperature on the position of equilibrium
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Chemistry at work: Equilibrium in the contact process for sulphuric acid
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Exam practice: Solubility product and sparingly soluble salts
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Calculation practice: Calculating solubility in moles per cubic decimetre
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Exam practice: The tests for water purity
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Exam practice: Ozone depletion and its causes
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