157 prompts matching "Choosing distillation where filtration would do"
Exam practice: Converting pig iron into steel
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Exam practice: The amphoteric nature of aluminium oxide and hydroxide
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Exam practice: The laboratory preparation and the tests for chlorine
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Exam practice: Sulphuric acid as an acid, a dehydrating agent and an oxidiser
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Exam practice: Nitric acid, its manufacture and its reactions
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Exam practice: The tests that distinguish the two oxides of carbon
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Exam practice: Removing permanent hardness by chemical and ion-exchange methods
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Exam practice: The NPK rating and how to read it
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Exam practice: Transition metals and their compounds as catalysts
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Exam practice: Carbohydrates and their classification
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Real-life Nigeria: The confirmatory tests for the common cations
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Chemistry at work: Recording observations and inferences in the WAEC format
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Real-life Nigeria: Identifying a salt from combined cation and anion tests
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Real-life Nigeria: The sources of error in an acid-base titration
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Real-life Nigeria: The Daniell cell and the dry cell
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Chemistry at work: Electrolysis in Nigerian aluminium and chlorine production
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Real-life Nigeria: Reaction mechanisms and the rate-determining step
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Real-life Nigeria: Equilibrium in the manufacture of ammonia and sulphuric acid
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Real-life Nigeria: Entropy and the feasibility of a reaction
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Chemistry at work: Thermochemistry in fuel selection for Nigerian industry
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