500 prompts matching "Chemistry at work: Why ionic compounds conduct only when molten or dissolved"
Calculation practice: Calculating the mass of iron from a mass of haematite
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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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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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Spot my mistake: Adding water to concentrated sulphuric acid
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Calculation practice: Calculating the yield of sulphuric acid from sulphur
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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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Practice set: The preparation and properties of carbon monoxide
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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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Quiz me: Temporary hardness and the compounds responsible
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Explain back: Permanent hardness and the compounds responsible
I have just studied permanent hardness and the compounds responsible in my SS3 Chemistry c
Calculation practice: Calculating the amount of softener required
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Quiz me: Straight fertilisers and compound fertilisers
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Practice set: Phosphate and potash fertilisers
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