481 prompts matching "What causes temporary and what causes permanent hardness"
Calculation practice: Deducing a structure from percentage composition
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Teach me: Qualitative analysis reviewed
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Quiz me: Volumetric analysis for the practical paper reviewed
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Explain back: Electrochemistry reviewed
I have just studied electrochemistry reviewed in my SS3 Chemistry class. Let me explain it
Exam practice: Thermochemistry reviewed
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Spot my mistake: The errors most often made in first-term SS3 Chemistry
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Calculation practice: A mixed set of first-term SS3 chemistry calculations
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Calculation practice: Calculating the heat of combustion of a fuel
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Teach me: The chemistry of saponification
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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
I have just studied how a soap molecule lifts away dirt in my SS3 Chemistry class. Let me
Exam practice: The action of soap in hard water
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Spot my mistake: Expecting a detergent to fail in hard water as soap does
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Calculation practice: Calculating the yield of soap from a given mass of oil
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Spot my mistake: Assuming every coloured substance is a dye
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Calculation practice: Calculating the quantity of dye needed for a given fabric
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Quiz me: The electrochemical explanation of rusting
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Explain back: The factors that speed up rusting
I have just studied the factors that speed up rusting in my SS3 Chemistry class. Let me ex
Practice set: The methods of preventing rust
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Spot my mistake: Describing painting as a chemical method of rust prevention
Act as my SS3 Chemistry tutor. Show me a worked answer on describing painting as a chemica