500 prompts matching "Exam practice: The laboratory preparation and the tests for chlorine"
Calculation practice: Calculating percentage recovery after a separation
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Project task: Separating sand from salt at home
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Calculation practice: Reading a distillation temperature curve
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Chemistry at work: Distillation in the Nigerian refining industry
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Calculation practice: Calculating an Rf value from measurements
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Calculation practice: Calculating relative atomic mass from isotope abundances
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Chemistry at work: The historical models of the atom compared
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Calculation practice: Deducing valency from a given configuration
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Real-life Nigeria: Reading chemical formulae on Nigerian packaging
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Project task: Making a reference card of symbols and radicals
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Chemistry at work: The international agreement behind chemical symbols
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Calculation practice: Checking that an equation balances by counting atoms
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Real-life Nigeria: Equations for reactions seen in Nigerian daily life
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Project task: Writing equations for ten familiar reactions
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Real-life Nigeria: The ionic equations behind Nigerian water treatment
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Project task: Converting a set of full equations into ionic form
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Explain back: How position in the table relates to electron configuration
I have just studied how position in the table relates to electron configuration in my SS1
Chemistry at work: How the periodic table came to be arranged as it is
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Calculation practice: Predicting relative boiling points from structure
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Calculation practice: Solving a Boyle's law problem numerically
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