500 prompts matching "PH in Nigerian soil testing and farming"
Practice set: The past questions most worth working through
Act as my SS3 Chemistry tutor. Give me five practice questions on the past questions most
Real-life Nigeria: What to do in the last week before the examination
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Quiz me: Atomic number, mass number and isotopes
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Spot my mistake: Filling the 3d sublevel before the 4s
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Calculation practice: Calculating relative atomic mass from isotopic data
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Practice set: The trend in electronegativity
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Spot my mistake: Explaining a group trend by nuclear charge alone
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Calculation practice: Comparing two elements using their trend data
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Real-life Nigeria: Predicting the chemistry of an unfamiliar element
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Spot my mistake: Describing a polar covalent bond as ionic
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Calculation practice: Predicting bond type from electronegativity difference
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Spot my mistake: Using molar volume for a substance that is not a gas
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Quiz me: Balancing equations of increasing difficulty
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Spot my mistake: Reading a mole ratio off an unbalanced equation
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Real-life Nigeria: Stoichiometry in scaling up a reaction
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Quiz me: Boyle's law, Charles's law and the pressure law
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Spot my mistake: Using pressure in millimetres of mercury with R in SI units
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Calculation practice: Solving an ideal gas equation problem
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Real-life Nigeria: The assumptions of the kinetic theory of gases
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Spot my mistake: Reading a solubility curve without checking the units
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