500 prompts matching "Chemistry at work: Water quality work in Nigeria"
Practice set: Ion exchange and the softening of water
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Spot my mistake: Assuming boiling removes every impurity from water
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Chemistry at work: The hazards of radiation and the precautions taken
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Real-life Nigeria: A planning task across the second term's work
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Chemistry at work: Sources of error, and how candidates should discuss them
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Chemistry at work: How spectra reveal electronic structure
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Chemistry at work: Hydrolysis and the choice of fertiliser
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Spot my mistake: Adding water to concentrated sulphuric acid
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Project task: Demonstrating the carbon dioxide test with limewater
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Real-life Nigeria: The advantages and disadvantages of hard water
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Project task: Comparing the lather from water samples in my area
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Real-life Nigeria: The effect of fertiliser overuse on soil and water
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Chemistry at work: Biochemistry and food science as careers
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Real-life Nigeria: Identifying a salt from combined cation and anion tests
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Real-life Nigeria: The sources of error in an acid-base titration
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Real-life Nigeria: Determining the purity of a sample by redox titration
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Real-life Nigeria: Reaction mechanisms and the rate-determining step
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Real-life Nigeria: The tests that distinguish the functional groups
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Real-life Nigeria: Oil spillage and remediation in the Niger Delta
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Real-life Nigeria: Radioisotopes in medicine, industry and dating
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