500 prompts matching "Radioisotopes in medicine, industry and dating"
Exam practice: Solubility and the factors that affect it
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Spot my mistake: Confusing a solution with a suspension
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Calculation practice: Calculating the solubility of a solute
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Quiz me: Temporary hardness and permanent hardness
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Practice set: Removing permanent hardness from water
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Spot my mistake: Treating every kind of hardness with the same method
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Calculation practice: Comparing soap lather as a measure of hardness
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Chemistry at work: Water quality work in Nigeria
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Quiz me: The difference between a base and an alkali
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Exam practice: The reactions of alkalis with acids and with ammonium salts
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Spot my mistake: Calling every base an alkali
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Calculation practice: Calculating the concentration of an alkali
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Real-life Nigeria: Alkalis in Nigerian soap making
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Exam practice: Choosing the right indicator for a given titration
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Spot my mistake: Reading a pH of 7 as meaning no ions are present
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Calculation practice: Relating pH to hydrogen ion concentration
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Chemistry at work: PH control in Nigerian food processing
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Teach me: What a titration is, and why it is done
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Quiz me: The apparatus used in a titration
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Exam practice: Recording titration readings in a results table
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