484 prompts matching "Exam practice: Preparing an insoluble salt by precipitation"
Quiz me: Homogeneous and heterogeneous mixtures
Act as my SS1 Chemistry tutor and quiz me on homogeneous and heterogeneous mixtures. Ask f
Explain back: Filtration and the apparatus it uses
I have just studied filtration and the apparatus it uses in my SS1 Chemistry class. Let me
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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Explain back: Fractional distillation and the fractionating column
I have just studied fractional distillation and the fractionating column in my SS1 Chemist
Calculation practice: Reading a distillation temperature curve
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Chemistry at work: Distillation in the Nigerian refining industry
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Quiz me: Paper chromatography and how it is carried out
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Explain back: The Rf value and what it tells you
I have just studied the Rf value and what it tells you in my SS1 Chemistry class. Let me e
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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Quiz me: The nucleus and what it contains
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Explain back: How atomic number identifies an element
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Spot my mistake: Thinking isotopes of an element react differently
Act as my SS1 Chemistry tutor. Show me a worked answer on thinking isotopes of an element
Real-life Nigeria: Radioactive isotopes and their uses in Nigeria
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Quiz me: Writing out an electron configuration
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Explain back: The octet rule and chemical stability
I have just studied the octet rule and chemical stability in my SS1 Chemistry class. Let m