500 prompts matching "Observing diffusion at home"
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
Chemistry at work: Plastic waste and the disposal problem in Nigerian cities
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Quiz me: Concentrating an ore before extraction
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Calculation practice: Calculating the percentage of metal in an ore
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Chemistry at work: Mining and metallurgy as careers in Nigeria
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Explain back: The reactions at each level of the blast furnace
I have just studied the reactions at each level of the blast furnace in my SS3 Chemistry c
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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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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Calculation practice: Calculating the electricity needed to extract aluminium
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Chemistry at work: Aluminium smelting and the power it demands
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Teach me: The halogens as Group 7, and their common features
You are my personal SS3 Chemistry tutor. Teach me the halogens as Group 7, and their commo
Exam practice: The laboratory preparation and the tests for chlorine
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Spot my mistake: Predicting that iodine displaces chlorine
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Calculation practice: Calculating the volume of chlorine produced
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Project task: Researching chlorine's part in Nigerian water treatment
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Chemistry at work: The hazards of the halogens and their safe handling
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Quiz me: The preparation and properties of sulphur dioxide
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Exam practice: Sulphuric acid as an acid, a dehydrating agent and an oxidiser
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