500 prompts matching "Chemistry at work: Water quality work in Nigeria"
Calculation practice: Calculating the mass of iron from a mass of haematite
Act as my SS3 Chemistry tutor. Walk me through calculating the mass of iron from a mass of
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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Project task: Identifying aluminium articles in daily Nigerian use
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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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Real-life Nigeria: The halogens and their compounds in daily use
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Exam practice: Sulphuric acid as an acid, a dehydrating agent and an oxidiser
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Calculation practice: Calculating the yield of sulphuric acid from sulphur
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Real-life Nigeria: The uses of sulphuric acid in industry
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Spot my mistake: Treating dilute and concentrated nitric acid alike
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Calculation practice: Calculating the mass of ammonia from nitrogen and hydrogen
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Real-life Nigeria: The nitrogen cycle and nitrogen fixation
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Project task: Examining the nitrogen content stated on a fertiliser bag
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Exam practice: The tests that distinguish the two oxides of carbon
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Calculation practice: Calculating the carbon dioxide released by a mass of limestone
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Real-life Nigeria: Carbonates, hydrogencarbonates and their reactions
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Calculation practice: Calculating the amount of softener required
Act as my SS3 Chemistry tutor. Walk me through calculating the amount of softener required