500 prompts matching "The pH scale and what its numbers mean"
Calculation practice: The physical chemistry calculations that carry the most marks
Act as my SS3 Chemistry tutor. Walk me through the physical chemistry calculations that ca
Chemistry at work: Laboratory discipline and safety in the practical examination
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Chemistry at work: Sources of error, and how candidates should discuss them
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Explain back: Limiting reagent problems, and how to spot the limit
I have just studied limiting reagent problems, and how to spot the limit in my SS3 Chemist
Exam practice: The transition elements and their distinguishing features
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Quiz me: Atomic number, mass number and isotopes
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Explain back: The filling of energy levels and sublevels
I have just studied the filling of energy levels and sublevels in my SS3 Chemistry class.
Exam practice: The trend in metallic character and in oxide acidity
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Chemistry at work: Bonding and the strength of engineering materials
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Explain back: The mole ratio and how it is read
I have just studied the mole ratio and how it is read in my SS3 Chemistry class. Let me ex
Explain back: The combined gas equation and the ideal gas equation
I have just studied the combined gas equation and the ideal gas equation in my SS3 Chemist
Spot my mistake: Reading a solubility curve without checking the units
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Calculation practice: Calculating the pH of a strong acid or a strong base
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Project task: Measuring the pH of household substances
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Explain back: The hydrolysis of a salt of a weak acid and a strong base
I have just studied the hydrolysis of a salt of a weak acid and a strong base in my SS3 Ch
Exam practice: The salts that do not hydrolyse, and why
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Calculation practice: Estimating the pH of a hydrolysing salt solution
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Real-life Nigeria: Hydrolysis and soil pH in Nigerian farming
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Project task: Testing the pH of several salt solutions
Act as my SS3 Chemistry tutor. Set me a short practical or research task on testing the pH
Chemistry at work: Hydrolysis and the choice of fertiliser
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on hydrol