500 prompts matching "Spectator ions and how to spot them"
Chemistry at work: Aluminium smelting and the power it demands
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on alumin
Spot my mistake: Predicting that iodine displaces chlorine
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Real-life Nigeria: The halogens and their compounds in daily use
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Chemistry at work: The hazards of the halogens and their safe handling
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Quiz me: The preparation and properties of sulphur dioxide
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Exam practice: Sulphuric acid as an acid, a dehydrating agent and an oxidiser
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Chemistry at work: Sulphur dioxide and acid rain in Nigeria
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Real-life Nigeria: The nitrogen cycle and nitrogen fixation
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Spot my mistake: Describing carbon monoxide as an acidic oxide
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Chemistry at work: Carbon dioxide in the Nigerian bottling and fire-safety trades
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Quiz me: Temporary hardness and the compounds responsible
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Exam practice: Removing permanent hardness by chemical and ion-exchange methods
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Real-life Nigeria: The advantages and disadvantages of hard water
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Chemistry at work: Hardness and the Nigerian water supply industry
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Quiz me: Straight fertilisers and compound fertilisers
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Spot my mistake: Assuming more fertiliser always means a better yield
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Real-life Nigeria: The effect of fertiliser overuse on soil and water
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Chemistry at work: Fertiliser production and distribution in Nigeria
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Exam practice: Transition metals and their compounds as catalysts
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Spot my mistake: Calling zinc a typical transition metal
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