500 prompts matching "Oxidation and reduction in terms of electrons"
Exam practice: The tests that distinguish the two oxides of carbon
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Calculation practice: Calculating the carbon dioxide released by a mass of limestone
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Calculation practice: Calculating the amount of softener required
Act as my SS3 Chemistry tutor. Walk me through calculating the amount of softener required
Real-life Nigeria: The advantages and disadvantages of hard water
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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
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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Calculation practice: Working out the oxidation state in a complex ion
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Calculation practice: Calculating the molar mass of a simple peptide
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Explain back: The flame test and the colours it gives
I have just studied the flame test and the colours it gives in my SS3 Chemistry class. Let
Spot my mistake: Adding excess reagent too early and losing a precipitate
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Chemistry at work: Recording observations and inferences in the WAEC format
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Quiz me: Testing for carbonate and for hydrogencarbonate
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Explain back: Testing for sulphate and for sulphite
I have just studied testing for sulphate and for sulphite in my SS3 Chemistry class. Let m
Practice set: Testing for chloride, bromide and iodide
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Exam practice: Testing for nitrate and for nitrite
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Real-life Nigeria: Identifying a salt from combined cation and anion tests
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Practice set: The titration curve and the equivalence point
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Exam practice: Recording and averaging concordant titres
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Calculation practice: Finding molarity from titre, volume and mole ratio
Act as my SS3 Chemistry tutor. Walk me through finding molarity from titre, volume and mol