222 prompts matching "Measuring pH with paper and with a meter"
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
Real-life Nigeria: The Ajaokuta steel project and Nigerian steel
Act as my SS2 Chemistry tutor. Show me where the Ajaokuta steel project and Nigerian steel
Practice set: Half-life and what it means
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Real-life Nigeria: Radioisotopes in Nigerian medicine and agriculture
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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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Quiz me: The formation of an ionic bond in sodium chloride
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Spot my mistake: Predicting ionic character from electronegativity difference
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Chemistry at work: Why ionic compounds conduct only when molten or dissolved
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Quiz me: The properties that metallic bonding explains
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Spot my mistake: Explaining metallic conductivity by the movement of ions
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Quiz me: Recognising oxidation in a given equation
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Exam practice: Identifying the species oxidised in a reaction
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Spot my mistake: Calling the oxidising agent the substance that is oxidised
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Quiz me: Where the metals sit in the periodic table
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Exam practice: The extraction of iron in the blast furnace
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Spot my mistake: Proposing carbon reduction for a very reactive metal
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Quiz me: Where the non-metals sit in the periodic table
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Exam practice: The halogens as a family of non-metals
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Spot my mistake: Assuming all non-metals are gases
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