500 prompts matching "Exam practice: Concentration expressed in moles per cubic decimetre"
Spot my mistake: Using Celsius in a Charles's law calculation
Act as my SS1 Chemistry tutor. Show me a worked answer on using Celsius in a Charles's law
Real-life Nigeria: The gas laws in Nigerian diving and gas cylinders
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Quiz me: The terms in the general gas equation
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Spot my mistake: Forgetting to convert pressure units before calculating
Act as my SS1 Chemistry tutor. Show me a worked answer on forgetting to convert pressure u
Real-life Nigeria: Gas behaviour in Nigerian cooking gas cylinders
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Explain back: The limiting reagent, and how to identify it
I have just studied the limiting reagent, and how to identify it in my SS1 Chemistry class
Spot my mistake: Using an unbalanced equation in a stoichiometry calculation
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Real-life Nigeria: Stoichiometry in Nigerian manufacturing
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Explain back: What a base is, and what an alkali is
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Spot my mistake: Confusing a strong acid with a concentrated one
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Real-life Nigeria: Acids and bases in Nigerian food and cleaning
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Explain back: The methods of preparing a soluble salt
I have just studied the methods of preparing a soluble salt in my SS1 Chemistry class. Let
Spot my mistake: Choosing the wrong preparation method for a given salt
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Real-life Nigeria: Salts in Nigerian agriculture and food
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Explain back: Evaporation, crystallisation and distillation
I have just studied evaporation, crystallisation and distillation in my SS1 Chemistry clas
Spot my mistake: Choosing distillation where filtration would do
Act as my SS1 Chemistry tutor. Show me a worked answer on choosing distillation where filt
Real-life Nigeria: Separation methods in Nigerian salt and oil production
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Project task: Separating a mixture at home
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Explain back: Water as a solvent, and the solutions it forms
I have just studied water as a solvent, and the solutions it forms in my SS1 Chemistry cla
Real-life Nigeria: Water treatment in Nigerian towns
Act as my SS1 Chemistry tutor. Show me where water treatment in Nigerian towns turns up in