500 prompts matching "Assigning an oxidation number to the wrong atom"
Real-life Nigeria: The nitrogen cycle and nitrogen fixation
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Teach me: The allotropes of carbon and their structures
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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: Carbon dioxide in the Nigerian bottling and fire-safety trades
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on carbon
Spot my mistake: Expecting boiling to remove permanent hardness
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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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Teach me: The nutrients plants need, and the role of each
You are my personal SS3 Chemistry tutor. Teach me the nutrients plants need, and the role
Real-life Nigeria: The effect of fertiliser overuse on soil and water
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Project task: Comparing the fertiliser brands on sale locally
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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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Spot my mistake: Describing starch and cellulose as the same polymer
Act as my SS3 Chemistry tutor. Show me a worked answer on describing starch and cellulose
Real-life Nigeria: The tests for protein, starch and reducing sugar
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Exam practice: The effect of temperature and the Arrhenius relationship
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Exam practice: Lattice energy and the Born-Haber cycle
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Exam practice: The amines, and why they behave as weak bases
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Exam practice: The products of complete and of incomplete combustion
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Exam practice: Mordants and the fixing of a dye
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