238 prompts matching "Making an indicator from a local plant"
Practice set: Making sulphur dioxide in the laboratory and testing it
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Calculation practice: Working out the formula of an ionic compound from its charges
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Teach me: The metallic bond and the delocalised electrons
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Calculation practice: Predicting a substance's structure from its properties
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Calculation practice: Calculating the mass of metal obtainable from an ore
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Quiz me: The major air pollutants and where they come from
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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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Real-life Nigeria: Fermentation and local alcohol production in Nigeria
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Chemistry at work: The petrochemicals made from oil and gas
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Calculation practice: Calculating output and efficiency for a plant
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Quiz me: The formation of an ionic bond in sodium chloride
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Spot my mistake: Predicting ionic character from electronegativity difference
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Practice set: Giant structures and simple molecular structures compared
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Practice set: Assigning oxidation numbers in compounds and in ions
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Quiz me: Identifying the oxidising agent and the reducing agent
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Practice set: Balancing a redox equation by half-equations
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Practice set: Density, melting point and hardness across the metals
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Quiz me: The link between reactivity and the method of extraction
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Practice set: The chemical behaviour of metals and non-metals compared
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