250 prompts matching "Chemistry at work: Salt manufacture as an industry"
Exam practice: The common oxidising and reducing agents and their tests
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Practice set: Density, melting point and hardness across the metals
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Exam practice: The reactivity series and how it is established
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Calculation practice: Comparing metals by a density calculation
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Real-life Nigeria: Choosing the right metal for a given Nigerian use
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Exam practice: The extraction of iron in the blast furnace
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Practice set: The chemical behaviour of metals and non-metals compared
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Exam practice: The halogens as a family of non-metals
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Spot my mistake: Assuming all non-metals are gases
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Calculation practice: Predicting a non-metal's valency from its group
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Real-life Nigeria: The non-metals essential to Nigerian agriculture
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Spot my mistake: Describing a non-metal oxide as basic
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Practice set: The electrolysis of brine and the products it gives
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Exam practice: The electrolysis of molten and of aqueous compounds compared
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Spot my mistake: Predicting products without considering concentration
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Calculation practice: Applying Faraday's first law to a calculation
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Practice set: Non-metals and their compounds reviewed
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Spot my mistake: The errors most often made in first-term SS2 Chemistry
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Real-life Nigeria: Linking bonding, structure and properties together
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Practice set: Amphoteric substances and how they behave
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