250 prompts matching "Changes of state and the names given to them"
Exam practice: The tests for water purity
Act as my SS2 Chemistry teacher setting exam questions. Give me five exam-style questions
Real-life Nigeria: Water supply problems in Nigerian towns
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Exam practice: Ozone depletion and its causes
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Real-life Nigeria: Gas flaring in the Niger Delta
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Real-life Nigeria: Preparing a revision plan for the SS2 second term
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Exam practice: The IUPAC rules for naming straight-chain hydrocarbons
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Exam practice: How alkenes react by addition across the double bond
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Real-life Nigeria: The test that distinguishes an alkane from an alkene
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Explain back: Why the chosen conditions are a compromise
I have just studied why the chosen conditions are a compromise in my SS2 Chemistry class.
Exam practice: Nuclear fission and nuclear fusion distinguished
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Real-life Nigeria: The obstacles facing Nigerian chemical manufacturing
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Spot my mistake: Predicting ionic character from electronegativity difference
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Chemistry at work: Why ionic compounds conduct only when molten or dissolved
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Calculation practice: Predicting a substance's structure from its properties
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Practice set: Balancing a redox equation by half-equations
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Calculation practice: Balancing a redox equation in acidic solution
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Calculation practice: Comparing metals by a density calculation
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Practice set: Extraction by electrolysis
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Spot my mistake: Proposing carbon reduction for a very reactive metal
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Spot my mistake: Assuming all non-metals are gases
Act as my SS2 Chemistry tutor. Show me a worked answer on assuming all non-metals are gase