500 prompts matching "Exam practice: The tests for water purity"
Quiz me: Oxidation and reduction in terms of hydrogen
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Explain back: Oxidation and reduction in terms of electrons
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Real-life Nigeria: Rusting as an everyday redox process in Nigeria
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Spot my mistake: Describing a covalent compound as conducting when molten
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Explain back: Activation energy and what it represents
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Real-life Nigeria: Energy changes in Nigerian cooking fuels
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Spot my mistake: Saying a catalyst is used up during a reaction
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Real-life Nigeria: Controlling reaction rates in Nigerian food preservation
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Quiz me: Diamond and graphite compared
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Spot my mistake: Assuming diamond and graphite are different elements
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Real-life Nigeria: Charcoal and coal in Nigerian use
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Quiz me: How carbon dioxide is made, and what it does
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Explain back: Carbon monoxide, and why it is dangerous
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Real-life Nigeria: Carbon dioxide in Nigerian fire extinguishers and drinks
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Spot my mistake: Assuming every chemical is harmful
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Quiz me: Chemical bonding reviewed
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Explain back: Energy changes and reaction rates reviewed
I have just studied energy changes and reaction rates reviewed in my SS1 Chemistry class.
Quiz me: Homogeneous and heterogeneous mixtures
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Spot my mistake: Choosing decantation where filtration is needed
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Real-life Nigeria: Separating mixtures in a Nigerian kitchen
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