500 prompts matching "The alkali metals and the halogens as families"
Calculation practice: Calculating the number of repeating units from molar mass
Act as my SS3 Chemistry tutor. Walk me through calculating the number of repeating units f
Exam practice: The link between the reactivity series and the method used
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Project task: Mapping Nigeria's metal ore deposits
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Quiz me: The charge fed into the blast furnace
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Practice set: The removal of impurities as slag
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Spot my mistake: Naming coke as the substance that removes the impurities
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Calculation practice: Calculating the mass of iron from a mass of haematite
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Real-life Nigeria: The types of steel and the uses of each
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Chemistry at work: The Nigerian iron and steel industry
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Exam practice: The amphoteric nature of aluminium oxide and hydroxide
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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
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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Quiz me: The preparation and properties of sulphur dioxide
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Explain back: Sulphur trioxide and the contact process
I have just studied sulphur trioxide and the contact process in my SS3 Chemistry class. Le
Practice set: The properties and reactions of sulphuric acid
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Exam practice: Sulphuric acid as an acid, a dehydrating agent and an oxidiser
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Quiz me: The laboratory and industrial preparation of nitrogen
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Practice set: The Haber process and the conditions it uses
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