500 prompts matching "What an indicator is, and how it works"
Chemistry at work: The hazards of the halogens and their safe handling
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on the ha
Chemistry at work: Sulphur dioxide and acid rain in Nigeria
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Chemistry at work: Nitrogenous fertilisers in Nigerian farming
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Chemistry at work: Carbon dioxide in the Nigerian bottling and fire-safety trades
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Chemistry at work: Hardness and the Nigerian water supply industry
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Chemistry at work: Fertiliser production and distribution in Nigeria
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Chemistry at work: Transition metals in Nigerian industry
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Chemistry at work: Biochemistry and food science as careers
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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
Real-life Nigeria: The reagents supplied in the practical, and what each is for
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Explain back: Limiting reagent problems, and how to spot the limit
I have just studied limiting reagent problems, and how to spot the limit in my SS3 Chemist
Exam practice: The transition elements and their distinguishing features
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Practice set: Indicators and their working ranges
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Exam practice: Substitution with halogens, and the mechanism in outline
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Explain back: Reduction with carbon, and when it works
I have just studied reduction with carbon, and when it works in my SS3 Chemistry class. Le
Practice set: Extraction by electrolysis, and when it is necessary
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Spot my mistake: Treating dilute and concentrated nitric acid alike
Act as my SS3 Chemistry tutor. Show me a worked answer on treating dilute and concentrated
Exam practice: The NPK rating and how to read it
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Teach me: What qualitative analysis sets out to find
You are my personal SS3 Chemistry tutor. Teach me what qualitative analysis sets out to fi
Teach me: The electrochemical cell, and how it differs from an electrolytic one
You are my personal SS3 Chemistry tutor. Teach me the electrochemical cell, and how it dif