250 prompts matching "Sachet and bottled water quality in Nigeria"
Calculation practice: Calculating rate from a graph of concentration against time
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Practice set: The effect of concentration and of pressure on equilibrium
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Spot my mistake: Claiming a catalyst shifts the position of equilibrium
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Practice set: The solubility curve, and how to read it
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Spot my mistake: Reading a solubility curve at the wrong temperature
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Calculation practice: Calculating solubility in moles per cubic decimetre
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Quiz me: What causes temporary and what causes permanent hardness
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Spot my mistake: Proposing boiling as a cure for permanent hardness
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Quiz me: The major air pollutants and where they come from
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Exam practice: Ozone depletion and its causes
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Spot my mistake: Blaming ozone depletion for the warming that greenhouse gases cause
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Spot my mistake: The errors most often made in second-term SS2 Chemistry
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Quiz me: Catenation and the tetravalency of carbon
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Practice set: The homologous series and its general features
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Exam practice: The IUPAC rules for naming straight-chain hydrocarbons
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Spot my mistake: Naming a compound without first finding the longest chain
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Calculation practice: Deducing a molecular formula from a general formula
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Practice set: The alkenes, their general formula and their structure
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Spot my mistake: Giving an addition reaction for an alkane
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Calculation practice: Calculating the products of complete combustion
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