500 prompts matching "How carbon dioxide is made, and what it does"
Calculation practice: Calculating the carbon dioxide released by a mass of limestone
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Real-life Nigeria: Carbonates, hydrogencarbonates and their reactions
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Chemistry at work: Hardness and the Nigerian water supply industry
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Chemistry at work: Fertiliser production and distribution in Nigeria
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Chemistry at work: Transition metals in Nigerian industry
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Chemistry at work: Biochemistry and food science as careers
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Explain back: The flame test and the colours it gives
I have just studied the flame test and the colours it gives in my SS3 Chemistry class. Let
Quiz me: Testing for carbonate and for hydrogencarbonate
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Explain back: Testing for sulphate and for sulphite
I have just studied testing for sulphate and for sulphite in my SS3 Chemistry class. Let m
Exam practice: Testing for nitrate and for nitrite
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Spot my mistake: Reporting a sulphate result without acidifying first
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Practice set: The titration curve and the equivalence point
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Exam practice: Recording and averaging concordant titres
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Spot my mistake: Including a rough titre in the average
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Teach me: What makes a titration a redox titration
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Practice set: Iodine and thiosulphate titrations
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Spot my mistake: Using hydrochloric acid to acidify a permanganate titration
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Practice set: The rate constant and its units
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Real-life Nigeria: Reaction mechanisms and the rate-determining step
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Explain back: Bond enthalpy and its use in estimating heat of reaction
I have just studied bond enthalpy and its use in estimating heat of reaction in my SS3 Che