500 prompts matching "The trend in electronegativity"
Exam practice: The ideal gas equation and the gas constant
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Spot my mistake: Forgetting to convert pressure units before calculating
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Real-life Nigeria: Gas behaviour in Nigerian cooking gas cylinders
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Quiz me: Reading mole ratios from a balanced equation
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Spot my mistake: Using an unbalanced equation in a stoichiometry calculation
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Real-life Nigeria: Stoichiometry in Nigerian manufacturing
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Explain back: What a base is, and what an alkali is
I have just studied what a base is, and what an alkali is in my SS1 Chemistry class. Let m
Practice set: The reactions of acids with metals and with carbonates
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Exam practice: The pH scale and what it measures
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Spot my mistake: Confusing a strong acid with a concentrated one
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Real-life Nigeria: Acids and bases in Nigerian food and cleaning
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Practice set: Making an insoluble salt by mixing two solutions
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Exam practice: Neutralisation and the reaction it describes
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Calculation practice: Titration calculations and finding an unknown concentration
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Real-life Nigeria: Salts in Nigerian agriculture and food
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Teach me: How the periodic table is arranged
You are my personal SS1 Chemistry tutor. Teach me how the periodic table is arranged, usin
Calculation practice: Predicting a property from an element's position
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Real-life Nigeria: The alkali metals and the halogens as families
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Teach me: Mixtures and pure substances distinguished
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Quiz me: Filtration, and when it is the right method
Act as my SS1 Chemistry tutor and quiz me on filtration, and when it is the right method.