250 prompts matching "Calculating the yield of sulphuric acid from sulphur"
Exam practice: The effect of temperature on the position of equilibrium
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Spot my mistake: Claiming a catalyst shifts the position of equilibrium
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Teach me: The nature of a solution and the process of dissolving
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Real-life Nigeria: Fractional crystallisation and the uses made of it
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Teach me: The sources and impurities of natural water
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Explain back: The methods of softening hard water
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Teach me: The composition and the layers of the atmosphere
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Quiz me: The major air pollutants and where they come from
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Spot my mistake: The errors most often made in second-term SS2 Chemistry
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Explain back: The substitution reactions of the alkanes
I have just studied the substitution reactions of the alkanes in my SS2 Chemistry class. L
Real-life Nigeria: The test that distinguishes an alkane from an alkene
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Chemistry at work: Cracking, and the making of petrol in Nigeria
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Explain back: The reactions of the alkanols
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Exam practice: The uses of the common plastics
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Calculation practice: Working out the repeating unit from a polymer structure
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Teach me: The origin and composition of crude oil
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Quiz me: The fractions obtained from crude oil
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Exam practice: The uses of each petroleum fraction
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Chemistry at work: The petrochemicals made from oil and gas
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Spot my mistake: Proposing a higher temperature to raise the ammonia yield
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