500 prompts matching "Exam practice: The trend in metallic and non-metallic character"
Chemistry at work: The physical chemistry formulae worth memorising
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Explain back: Structuring an answer on extraction and manufacture
I have just studied structuring an answer on extraction and manufacture in my SS3 Chemistr
Calculation practice: Calculations on extraction yield and composition
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Real-life Nigeria: The tests and observations WAEC asks you to recall
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Calculation practice: Calculations on empirical and molecular formulae
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Real-life Nigeria: Drawing and labelling organic structures correctly
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Quiz me: The order in which the tests should be carried out
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Explain back: Writing an observation and an inference separately
I have just studied writing an observation and an inference separately in my SS3 Chemistry
Explain back: Filling and reading a burette accurately
I have just studied filling and reading a burette accurately in my SS3 Chemistry class. Le
Chemistry at work: Sources of error, and how candidates should discuss them
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Calculation practice: Percentage purity, yield and composition calculations
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Quiz me: Converting between mass, moles, volume and particles
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Spot my mistake: Forgetting to balance the equation before using mole ratios
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Spot my mistake: The time-management mistakes candidates make
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Calculation practice: The calculations I still need to practise
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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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Chemistry at work: Periodicity in the design of new materials
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Calculation practice: Predicting bond type from electronegativity difference
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Real-life Nigeria: Bond type and the physical properties that follow from it
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