500 prompts matching "Fractional crystallisation and the uses made of it"
Practice set: Drawing dot-and-cross diagrams
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Practice set: Carbonates and hydrogencarbonates
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Exam practice: The laboratory test for carbon dioxide
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Real-life Nigeria: Oil spillage in the Niger Delta
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Project task: Surveying the chemicals in my own home
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Real-life Nigeria: The SS1 Chemistry topics I still need to practise
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Explain back: The Nigerian petrochemical industry
I have just studied the Nigerian petrochemical industry in my SS1 Chemistry class. Let me
Real-life Nigeria: The raw materials Nigeria's chemical industries draw on
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Real-life Nigeria: Separating mixtures in a Nigerian kitchen
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Project task: Separating ink colours with paper chromatography
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Practice set: Working out the particles present in a given atom
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Project task: Modelling electron arrangement with counters
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Project task: Writing equations for ten familiar reactions
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Explain back: Writing an ionic equation from a full equation
I have just studied writing an ionic equation from a full equation in my SS1 Chemistry cla
Real-life Nigeria: The ionic equations behind Nigerian water treatment
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Practice set: Predicting valency from the group number
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Practice set: Drawing dot-and-cross diagrams for simple molecules
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Project task: Modelling bonds with everyday materials
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Practice set: How structure determines melting and boiling point
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Exam practice: Giant and simple molecular structures compared
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