464 prompts matching "Comparing soap lather as a measure of hardness"
Practice set: The preparation and properties of carbon monoxide
Act as my SS3 Chemistry tutor. Give me five practice questions on the preparation and prop
Exam practice: The tests that distinguish the two oxides of carbon
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Quiz me: Temporary hardness and the compounds responsible
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Explain back: Permanent hardness and the compounds responsible
I have just studied permanent hardness and the compounds responsible in my SS3 Chemistry c
Practice set: Removing temporary hardness
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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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Calculation practice: Calculating the amount of softener required
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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
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on hardne
Explain back: The manufacture of nitrogenous fertilisers
I have just studied the manufacture of nitrogenous fertilisers in my SS3 Chemistry class.
Calculation practice: Calculating the nitrogen content of a fertiliser
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Real-life Nigeria: The effect of fertiliser overuse on soil and water
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Quiz me: The characteristic properties of the transition metals
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Practice set: The coloured ions of the transition metals
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Quiz me: Potassium permanganate as a self-indicating titrant
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Spot my mistake: Assuming the order matches the stoichiometric coefficient
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Exam practice: The amines, and why they behave as weak bases
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Real-life Nigeria: A practical planning task across the first term's work
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Spot my mistake: Assuming every fuel burns to carbon dioxide and water alone
Act as my SS3 Chemistry tutor. Show me a worked answer on assuming every fuel burns to car