198 prompts matching "What makes water hard"
Explain back: The alkanols, alkanals and alkanones distinguished
I have just studied the alkanols, alkanals and alkanones distinguished in my SS3 Chemistry
Chemistry at work: Functional groups in Nigerian pharmaceuticals
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Quiz me: Volumetric analysis for the practical paper reviewed
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Explain back: Electrochemistry reviewed
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Quiz me: The refinery fractions and their boiling ranges
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Explain back: Thermal and catalytic cracking compared
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Quiz me: The raw materials used in soap making
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Explain back: How a soap molecule lifts away dirt
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Quiz me: Natural dyes and synthetic dyes compared
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Explain back: The chromophore, and why a dye is coloured
I have just studied the chromophore, and why a dye is coloured in my SS3 Chemistry class.
Quiz me: The electrochemical explanation of rusting
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Explain back: The factors that speed up rusting
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Quiz me: The sources of each major pollutant in Nigeria
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Explain back: Acid rain, its chemistry and its effects
I have just studied acid rain, its chemistry and its effects in my SS3 Chemistry class. Le
Quiz me: Coagulation, sedimentation and filtration
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Explain back: Chlorination and the alternatives to it
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Quiz me: The reactions taking place in the cement kiln
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Quiz me: The three kinds of radiation and their properties
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Explain back: Writing and balancing nuclear equations
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Chemistry at work: The hazards of radiation and the precautions taken
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