500 prompts matching "Describing limestone as the reducing agent"
Practice set: Cement production in Nigeria
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Exam practice: Fertiliser and how it is manufactured in Nigeria
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Quiz me: Homogeneous and heterogeneous mixtures
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Practice set: Decantation, and when it is appropriate
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Exam practice: Evaporation to dryness and its limitations
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Spot my mistake: Choosing decantation where filtration is needed
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Calculation practice: Calculating percentage recovery after a separation
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Real-life Nigeria: Separating mixtures in a Nigerian kitchen
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Chemistry at work: Separation work in Nigerian laboratories
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Quiz me: Simple distillation and what it separates
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Practice set: Separating a mixture of two miscible liquids
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Spot my mistake: Using simple distillation on liquids with close boiling points
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Calculation practice: Reading a distillation temperature curve
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Quiz me: Paper chromatography and how it is carried out
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Real-life Nigeria: Chromatography in Nigerian food and drug testing
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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
Exam practice: Isotopy, with examples of isotopes
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Spot my mistake: Thinking isotopes of an element react differently
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Quiz me: Writing out an electron configuration
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Practice set: Valency deduced from electron configuration
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