500 prompts matching "The Rf value and what it tells you"
Practice set: Isomerism among the alkanes
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Exam practice: The test that distinguishes saturated from unsaturated
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Practice set: The properties of aluminium
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Practice set: The displacement reactions of the halogens
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Exam practice: Sulphuric acid as an acid, a dehydrating agent and an oxidiser
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Exam practice: The tests that distinguish the two oxides of carbon
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Exam practice: Removing permanent hardness by chemical and ion-exchange methods
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Practice set: Phosphate and potash fertilisers
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Explain back: Electrochemistry reviewed
I have just studied electrochemistry reviewed in my SS3 Chemistry class. Let me explain it
Explain back: How a soap molecule lifts away dirt
I have just studied how a soap molecule lifts away dirt in my SS3 Chemistry class. Let me
Explain back: Structuring an answer on reaction pathways
I have just studied structuring an answer on reaction pathways in my SS3 Chemistry class.
Spot my mistake: Including a pure solid in an equilibrium expression
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Spot my mistake: Using bond enthalpies for a reaction involving liquids
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Chemistry at work: Functional groups in Nigerian pharmaceuticals
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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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Spot my mistake: Describing painting as a chemical method of rust prevention
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Spot my mistake: Treating carbon dioxide as a toxic pollutant
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Spot my mistake: Assuming chemistry leads only to laboratory work
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Chemistry at work: Deciding which optional questions to attempt
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on decidi