500 prompts matching "Assuming every coloured substance is a dye"
Chemistry at work: Gas calculations in Nigerian industry
Act as my SS1 Chemistry tutor. Explain which Nigerian jobs and industries depend on gas ca
Spot my mistake: Confusing a solution with a suspension
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Chemistry at work: The laboratory tests for water
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Chemistry at work: Water quality work in Nigeria
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Teach me: What a base is
You are my personal SS1 Chemistry tutor. Teach me what a base is, using a real Nigerian ex
Explain back: The properties of bases and of alkalis
I have just studied the properties of bases and of alkalis in my SS1 Chemistry class. Let
Exam practice: The reactions of alkalis with acids and with ammonium salts
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Real-life Nigeria: Alkalis in Nigerian soap making
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Chemistry at work: The uses of bases in Nigerian industry
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Teach me: What an indicator is, and how it works
You are my personal SS1 Chemistry tutor. Teach me what an indicator is, and how it works,
Spot my mistake: Reading a pH of 7 as meaning no ions are present
Act as my SS1 Chemistry tutor. Show me a worked answer on reading a pH of 7 as meaning no
Chemistry at work: PH control in Nigerian food processing
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Teach me: What a titration is, and why it is done
You are my personal SS1 Chemistry tutor. Teach me what a titration is, and why it is done,
Practice set: The end point, and how it is recognised
Act as my SS1 Chemistry tutor. Give me five practice questions on the end point, and how i
Spot my mistake: Reading a burette from the wrong part of the meniscus
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Chemistry at work: The sources of error in a titration, and how to reduce them
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Spot my mistake: Explaining graphite's conductivity by the wrong structure
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Chemistry at work: The newer forms of carbon and what they promise
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Explain back: The destructive distillation of coal
I have just studied the destructive distillation of coal in my SS1 Chemistry class. Let me
Practice set: Coke and the uses it is put to in industry
Act as my SS1 Chemistry tutor. Give me five practice questions on coke and the uses it is