500 prompts matching "What a base is, and what an alkali is"
Exam practice: Removing permanent hardness by chemical and ion-exchange methods
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Spot my mistake: Expecting boiling to remove permanent hardness
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Teach me: The nutrients plants need, and the role of each
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Explain back: The manufacture of nitrogenous fertilisers
I have just studied the manufacture of nitrogenous fertilisers in my SS3 Chemistry class.
Exam practice: The NPK rating and how to read it
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Spot my mistake: Assuming more fertiliser always means a better yield
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Quiz me: The characteristic properties of the transition metals
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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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Real-life Nigeria: Complex ion formation and the ligands involved
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Teach me: The amines and their basic character
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Practice set: Proteins, their structure and the tests for them
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Exam practice: Carbohydrates and their classification
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Real-life Nigeria: The tests for protein, starch and reducing sugar
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Real-life Nigeria: Predicting the chemistry of an unfamiliar element
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Teach me: What makes a titration a redox titration
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Chemistry at work: The physical chemistry formulae worth memorising
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Chemistry at work: Deciding which optional questions to attempt
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Chemistry at work: How spectra reveal electronic structure
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Chemistry at work: Periodicity in the design of new materials
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