500 prompts matching "Exam practice: The salts that do not hydrolyse, and why"
Quiz me: Electrolytes and non-electrolytes
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Quiz me: Oxidation and reduction in terms of hydrogen
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Explain back: Oxidation and reduction in terms of electrons
I have just studied oxidation and reduction in terms of electrons in my SS1 Chemistry clas
Quiz me: Ionic bonding and how it forms
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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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Spot my mistake: Saying a catalyst is used up during a reaction
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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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Explain back: Carbon monoxide, and why it is dangerous
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Explain back: Water pollution and its causes in Nigeria
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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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Quiz me: Simple distillation and what it separates
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Spot my mistake: Using simple distillation on liquids with close boiling points
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Quiz me: Paper chromatography and how it is carried out
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Explain back: How atomic number identifies an element
I have just studied how atomic number identifies an element in my SS1 Chemistry class. Let