500 prompts matching "How carbon dioxide is made, and what it does"
Practice set: Identifying cations with sodium hydroxide solution
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Exam practice: Identifying cations with aqueous ammonia
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Real-life Nigeria: Identifying a salt from combined cation and anion tests
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Exam practice: The conditions a redox titration requires
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Spot my mistake: Reversing the sign of a half-cell potential wrongly
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Real-life Nigeria: The Daniell cell and the dry cell
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Spot my mistake: Assuming the order matches the stoichiometric coefficient
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Spot my mistake: Including a pure solid in an equilibrium expression
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Real-life Nigeria: Equilibrium in the manufacture of ammonia and sulphuric acid
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Spot my mistake: Using bond enthalpies for a reaction involving liquids
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Explain back: Thermal and catalytic cracking compared
I have just studied thermal and catalytic cracking compared in my SS3 Chemistry class. Let
Explain back: How a soap molecule lifts away dirt
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Spot my mistake: Expecting a detergent to fail in hard water as soap does
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Spot my mistake: Assuming every coloured substance is a dye
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Real-life Nigeria: Adire and indigo dyeing in Nigeria
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Spot my mistake: Describing painting as a chemical method of rust prevention
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Real-life Nigeria: Corrosion of pipelines and bridges in Nigeria
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Real-life Nigeria: Oil spillage and remediation in the Niger Delta
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Explain back: The setting and hardening of cement
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Spot my mistake: Assuming chemistry leads only to laboratory work
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