470 prompts matching "Describing painting as a chemical method of rust prevention"
Real-life Nigeria: The water cycle and its importance
Act as my SS1 Chemistry tutor. Show me where the water cycle and its importance turns up i
Chemistry at work: The laboratory tests for water
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Quiz me: Temporary hardness and permanent hardness
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Explain back: Removing temporary hardness from water
I have just studied removing temporary hardness from water in my SS1 Chemistry class. Let
Practice set: Removing permanent hardness from water
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Exam practice: Where hard water helps, and where it hinders
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Real-life Nigeria: Water pollution and its sources in Nigeria
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Chemistry at work: Water quality work in Nigeria
Act as my SS1 Chemistry tutor. Explain which Nigerian jobs and industries depend on water
Real-life Nigeria: Alkalis in Nigerian soap making
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Quiz me: The common indicators and their colour changes
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Explain back: The pH scale and what its numbers mean
I have just studied the pH scale and what its numbers mean in my SS1 Chemistry class. Let
Exam practice: Choosing the right indicator for a given titration
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Calculation practice: Relating pH to hydrogen ion concentration
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Real-life Nigeria: PH in Nigerian soil testing and farming
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Chemistry at work: PH control in Nigerian food processing
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Quiz me: The apparatus used in a titration
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Practice set: The end point, and how it is recognised
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Exam practice: Recording titration readings in a results table
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Calculation practice: Calculating an unknown concentration from titre values
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Real-life Nigeria: Titration in Nigerian quality control
Act as my SS1 Chemistry tutor. Show me where titration in Nigerian quality control turns u