500 prompts matching "The classes of dye and how each is applied"
Explain back: Activation energy and what it represents
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Practice set: Enthalpy change and its sign convention
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Spot my mistake: Saying a catalyst is used up during a reaction
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Real-life Nigeria: Charcoal and coal in Nigerian use
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Practice set: Carbonates and hydrogencarbonates
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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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Explain back: Energy changes and reaction rates reviewed
I have just studied energy changes and reaction rates reviewed in my SS1 Chemistry class.
Practice set: Carbon and its compounds reviewed
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Spot my mistake: Choosing decantation where filtration is needed
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Chemistry at work: Separation work in Nigerian laboratories
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Spot my mistake: Using simple distillation on liquids with close boiling points
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Real-life Nigeria: Chromatography in Nigerian food and drug testing
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Chemistry at work: Analytical chemistry as a career in Nigeria
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Explain back: How atomic number identifies an element
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Practice set: Working out the particles present in a given atom
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Teach me: What a chemical equation represents
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Spot my mistake: Altering subscripts in order to balance an equation
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Chemistry at work: Why balanced equations matter in industry
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Spot my mistake: Leaving spectator ions in an ionic equation
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