500 prompts matching "Exam practice: The laboratory preparation and the tests for chlorine"
Explain back: Activation energy and what it represents
I have just studied activation energy and what it represents in my SS1 Chemistry class. Le
Spot my mistake: Giving an exothermic change a positive enthalpy
Act as my SS1 Chemistry tutor. Show me a worked answer on giving an exothermic change a po
Quiz me: Measuring the rate of 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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Real-life Nigeria: Charcoal and coal in Nigerian use
Act as my SS1 Chemistry tutor. Show me where charcoal and coal in Nigerian use turns up in
Quiz me: How carbon dioxide is made, and what it does
Act as my SS1 Chemistry tutor and quiz me on how carbon dioxide is made, and what it does.
Explain back: Carbon monoxide, and why it is dangerous
I have just studied carbon monoxide, and why it is dangerous in my SS1 Chemistry class. Le
Real-life Nigeria: Carbon dioxide in Nigerian fire extinguishers and drinks
Act as my SS1 Chemistry tutor. Show me where carbon dioxide in Nigerian fire extinguishers
Explain back: Water pollution and its causes in Nigeria
I have just studied water pollution and its causes in Nigeria in my SS1 Chemistry class. L
Spot my mistake: Confusing the greenhouse effect with ozone depletion
Act as my SS1 Chemistry tutor. Show me a worked answer on confusing the greenhouse effect
Explain back: Energy changes and reaction rates reviewed
I have just studied energy changes and reaction rates reviewed in my SS1 Chemistry class.
Spot my mistake: The errors most often made in third-term SS1 Chemistry
Act as my SS1 Chemistry tutor. Show me a worked answer on the errors most often made in th
Quiz me: The classes into which chemical industries fall
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Spot my mistake: Assuming every chemical plant makes the same kind of product
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Quiz me: Homogeneous and heterogeneous mixtures
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Quiz me: Simple distillation and what it separates
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Quiz me: Paper chromatography and how it is carried out
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Spot my mistake: Reading a chromatogram without marking the solvent front
Act as my SS1 Chemistry tutor. Show me a worked answer on reading a chromatogram without m
Spot my mistake: Giving an ion the same configuration as its parent atom
Act as my SS1 Chemistry tutor. Show me a worked answer on giving an ion the same configura