250 prompts matching "The removal of impurities as slag"
Exam practice: Electrolysis and electrochemistry reviewed
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Calculation practice: Calculating pH from hydrogen ion concentration
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Explain back: Primary standards, and what makes a substance suitable
I have just studied primary standards, and what makes a substance suitable in my SS2 Chemi
Real-life Nigeria: Volumetric analysis in Nigerian quality control
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Quiz me: Reading a titration results table
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Spot my mistake: Averaging titres that are not concordant
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Real-life Nigeria: Back titration, and when it is used
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Calculation practice: Using Hess's law to find an unknown enthalpy change
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Practice set: Homogeneous and heterogeneous catalysis
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Explain back: Le Chatelier's principle stated
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Explain back: Saturated and supersaturated solutions
I have just studied saturated and supersaturated solutions in my SS2 Chemistry class. Let
Exam practice: Solubility product and sparingly soluble salts
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Calculation practice: Calculating solubility in moles per cubic decimetre
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Quiz me: What causes temporary and what causes permanent hardness
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Real-life Nigeria: Water supply problems in Nigerian towns
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Exam practice: Ozone depletion and its causes
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Chemistry at work: Air pollution control and regulation in Nigeria
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Quiz me: Volumetric analysis reviewed
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Practice set: Chemical equilibrium reviewed
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Explain back: Saturated and unsaturated hydrocarbons
I have just studied saturated and unsaturated hydrocarbons in my SS2 Chemistry class. Let