500 prompts matching "Exam practice: The electrolysis of molten and of aqueous compounds compared"
Explain back: The trend in reactivity and in oxidising power
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Real-life Nigeria: The halogens and their compounds in daily use
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Explain back: Sulphur trioxide and the contact process
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Real-life Nigeria: The uses of sulphuric acid in industry
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Real-life Nigeria: The nitrogen cycle and nitrogen fixation
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Project task: Examining the nitrogen content stated on a fertiliser bag
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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
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Quiz me: Temporary hardness and the compounds responsible
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Explain back: Permanent hardness and the compounds responsible
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Chemistry at work: Hardness and the Nigerian water supply industry
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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.
Project task: Comparing the fertiliser brands on sale locally
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Calculation practice: Working out the oxidation state in a complex ion
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Real-life Nigeria: Complex ion formation and the ligands involved
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Explain back: Amino acids and the peptide link
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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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Practice set: Identifying cations with sodium hydroxide solution
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Teach me: The anions the syllabus expects you to identify
You are my personal SS3 Chemistry tutor. Teach me the anions the syllabus expects you to i