250 prompts matching "Exam practice: Sublimation and the substances that show it"
Explain back: The role of limestone and the removal of slag
I have just studied the role of limestone and the removal of slag in my SS2 Chemistry clas
Calculation practice: Calculating the mass of iron from a mass of ore
Act as my SS2 Chemistry tutor. Walk me through calculating the mass of iron from a mass of
Calculation practice: Calculating the amount remaining after several half-lives
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Explain back: The soap and detergent industry in Nigeria
I have just studied the soap and detergent industry in Nigeria in my SS2 Chemistry class.
Calculation practice: Calculating output and efficiency for a plant
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Practice set: Balancing a redox equation by half-equations
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Real-life Nigeria: Redox in Nigerian bleaching and water treatment
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Practice set: Extraction by electrolysis
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Real-life Nigeria: Electroplating and metal purification in Nigeria
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Spot my mistake: Averaging titres that are not concordant
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Real-life Nigeria: Back titration, and when it is used
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Practice set: Chemical equilibrium reviewed
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Real-life Nigeria: Fermentation and local alcohol production in Nigeria
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Real-life Nigeria: Plastic waste and its disposal in Nigerian cities
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Real-life Nigeria: Fertiliser production and use in Nigeria
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Real-life Nigeria: Radioisotopes in Nigerian medicine and agriculture
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Practice set: Nuclear chemistry at SS2 level reviewed
Act as my SS2 Chemistry tutor. Give me five practice questions on nuclear chemistry at SS2
Spot my mistake: Explaining metallic conductivity by the movement of ions
Act as my SS2 Chemistry tutor. Show me a worked answer on explaining metallic conductivity
Teach me: Oxidation defined by oxygen, by hydrogen and by electrons
You are my personal SS2 Chemistry tutor. Teach me oxidation defined by oxygen, by hydrogen
Spot my mistake: Assigning an oxidation number without checking the overall charge
Act as my SS2 Chemistry tutor. Show me a worked answer on assigning an oxidation number wi