449 prompts matching "Exam practice: Mild, medium and high carbon steel, and the use of each"
Explain back: The oxidation of the alkanols and the products it gives
I have just studied the oxidation of the alkanols and the products it gives in my SS3 Chem
Calculation practice: Calculating the yield of an ester
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Project task: Preparing an ester and recording its smell
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Chemistry at work: Alcohols and acids in Nigerian food and drink industries
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Quiz me: Addition polymers and the monomers they come from
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Explain back: Condensation polymers and the small molecule lost
I have just studied condensation polymers and the small molecule lost in my SS3 Chemistry
Calculation practice: Calculating the number of repeating units from molar mass
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Real-life Nigeria: The uses and properties of the common plastics
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Chemistry at work: Plastic waste and the disposal problem in Nigerian cities
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Calculation practice: Calculating the percentage of metal in an ore
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Real-life Nigeria: Refining and purifying an extracted metal
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Chemistry at work: Mining and metallurgy as careers in Nigeria
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Calculation practice: Calculating the mass of iron from a mass of haematite
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Calculation practice: Calculating the electricity needed to extract aluminium
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Real-life Nigeria: The uses of aluminium and of its alloys
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Chemistry at work: Aluminium smelting and the power it demands
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Explain back: The trend in reactivity and in oxidising power
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Calculation practice: Calculating the volume of chlorine produced
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Real-life Nigeria: The halogens and their compounds in daily use
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Chemistry at work: The hazards of the halogens and their safe handling
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