500 prompts matching "A mixed set of second-term SS3 chemistry calculations"
Exam practice: The trend in metallic and non-metallic character
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Spot my mistake: Reading a group trend as though it were a period trend
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Real-life Nigeria: The alkali metals and the halogens as families
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Exam practice: Chromatography and how it works
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Spot my mistake: Choosing distillation where filtration would do
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Real-life Nigeria: Separation methods in Nigerian salt and oil production
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Project task: Separating a mixture at home
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Spot my mistake: Confusing temporary hardness with permanent hardness
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Real-life Nigeria: Water treatment in Nigerian towns
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Project task: Testing water hardness in my own area
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Exam practice: Combustion and the conditions it requires
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Spot my mistake: Treating air as a compound rather than a mixture
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Real-life Nigeria: Air pollution in Nigerian cities
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Exam practice: The periodic table and separation techniques reviewed
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Spot my mistake: Confusing the anode with the cathode
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Real-life Nigeria: Electroplating in Nigerian workshops
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Exam practice: Identifying the oxidising and the reducing agent in a reaction
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Spot my mistake: Assigning an oxidation number to the wrong atom
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Real-life Nigeria: Rusting as an everyday redox process in Nigeria
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Exam practice: Metallic bonding and the properties it gives
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