500 prompts matching "The preferential discharge of ions"
Quiz me: Concentrating an ore before extraction
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Practice set: Extraction by electrolysis, and when it is necessary
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Exam practice: Converting pig iron into steel
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Quiz me: Purifying bauxite before electrolysis
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Exam practice: Sulphuric acid as an acid, a dehydrating agent and an oxidiser
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Practice set: Removing temporary hardness
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Exam practice: Removing permanent hardness by chemical and ion-exchange methods
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Quiz me: Straight fertilisers and compound fertilisers
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Practice set: Phosphate and potash fertilisers
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Teach me: What qualitative analysis sets out to find
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Spot my mistake: Adding excess reagent too early and losing a precipitate
Act as my SS3 Chemistry tutor. Show me a worked answer on adding excess reagent too early
Calculation practice: Interpreting an observation table to name a cation
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Explain back: Testing for sulphate and for sulphite
I have just studied testing for sulphate and for sulphite in my SS3 Chemistry class. Let m
Spot my mistake: Reporting a sulphate result without acidifying first
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Real-life Nigeria: Identifying a salt from combined cation and anion tests
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Calculation practice: Finding molarity from titre, volume and mole ratio
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Teach me: What makes a titration a redox titration
You are my personal SS3 Chemistry tutor. Teach me what makes a titration a redox titration
Spot my mistake: Using hydrochloric acid to acidify a permanganate titration
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Calculation practice: Calculating concentration from a redox titration
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Chemistry at work: Redox titration in Nigerian industrial testing
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on redox