500 prompts matching "Exam practice: The halogens as a family of non-metals"
Real-life Nigeria: Carbon dioxide in Nigerian fire extinguishers and drinks
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Teach me: What environmental chemistry studies
You are my personal SS1 Chemistry tutor. Teach me what environmental chemistry studies, us
Explain back: Water pollution and its causes in Nigeria
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Chemistry at work: Pollution control and environmental careers in Nigeria
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Teach me: Electrolysis and redox reactions reviewed
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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.
Teach me: What a mixture is, and how it differs from a compound
You are my personal SS1 Chemistry tutor. Teach me what a mixture is, and how it differs fr
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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Chemistry at work: Separation work in Nigerian laboratories
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Teach me: Crystallisation, and how it purifies a solid
You are my personal SS1 Chemistry tutor. Teach me crystallisation, and how it purifies a s
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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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
Quiz me: Writing out an electron configuration
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Explain back: What a chemical formula tells you
I have just studied what a chemical formula tells you in my SS1 Chemistry class. Let me ex