500 prompts matching "Turning pig iron into steel in the converter"
Exam practice: Thermoplastics and thermosetting plastics compared
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Calculation practice: Calculating the number of repeating units from molar mass
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Project task: Surveying the plastics used in my own home
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Chemistry at work: Plastic waste and the disposal problem in Nigerian cities
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Exam practice: The link between the reactivity series and the method used
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Calculation practice: Calculating the percentage of metal in an ore
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Explain back: The reactions at each level of the blast furnace
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Spot my mistake: Naming coke as the substance that removes the impurities
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Explain back: The electrolytic extraction of aluminium
I have just studied the electrolytic extraction of aluminium in my SS3 Chemistry class. Le
Practice set: The properties of aluminium
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Exam practice: The amphoteric nature of aluminium oxide and hydroxide
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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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Quiz me: The trends in physical properties down the group
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Explain back: The trend in reactivity and in oxidising power
I have just studied the trend in reactivity and in oxidising power in my SS3 Chemistry cla
Exam practice: The laboratory preparation and the tests for chlorine
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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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