250 prompts matching "Exam practice: Coordinate or dative bonding"
Calculation practice: Predicting a substance's structure from its properties
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Explain back: The rules for assigning oxidation numbers
I have just studied the rules for assigning oxidation numbers in my SS2 Chemistry class. L
Calculation practice: Balancing a redox equation in acidic solution
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Chemistry at work: Redox reactions in batteries and cells
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Calculation practice: Comparing metals by a density calculation
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Real-life Nigeria: Choosing the right metal for a given Nigerian use
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Spot my mistake: Proposing carbon reduction for a very reactive metal
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Calculation practice: Predicting a non-metal's valency from its group
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Chemistry at work: Metalloids, and where they sit between the two
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Explain back: The preparation and properties of chlorine
I have just studied the preparation and properties of chlorine in my SS2 Chemistry class.
Calculation practice: Calculating the volume of a gas from a given mass
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Calculation practice: Applying Faraday's first law to a calculation
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Spot my mistake: The errors most often made in first-term SS2 Chemistry
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Calculation practice: A mixed set of first-term SS2 chemistry calculations
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Chemistry at work: Preparing a revision plan for the SS2 first term
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Calculation practice: Calculating pH from hydrogen ion concentration
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Spot my mistake: Rinsing the burette with water before filling it
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Calculation practice: Preparing a solution of a stated concentration
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Explain back: Calculating the average titre correctly
I have just studied calculating the average titre correctly in my SS2 Chemistry class. Let
Spot my mistake: Averaging titres that are not concordant
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