250 prompts matching "Exam practice: Applying Le Chatelier's principle to industrial processes"
Exam practice: The tests for water purity
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Calculation practice: Calculating the mass of washing soda needed to soften water
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Real-life Nigeria: Water supply problems in Nigerian towns
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Exam practice: Solutions, water and the atmosphere reviewed
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Calculation practice: Deducing a molecular formula from a general formula
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Calculation practice: Calculating the products of complete combustion
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Exam practice: The reactions of the alkanoic acids
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Exam practice: The uses of the common plastics
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Explain back: The role of limestone and the removal of slag
I have just studied the role of limestone and the removal of slag in my SS2 Chemistry clas
Exam practice: Mild, medium and high carbon steel, and the use of each
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Exam practice: A full SS2 Chemistry paper under examination conditions
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Teach me: The metallic bond and the delocalised electrons
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Teach me: Oxidation defined by oxygen, by hydrogen and by electrons
You are my personal SS2 Chemistry tutor. Teach me oxidation defined by oxygen, by hydrogen
Practice set: Assigning oxidation numbers in compounds and in ions
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Practice set: Balancing a redox equation by half-equations
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Practice set: Density, melting point and hardness across the metals
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Practice set: The chemical behaviour of metals and non-metals compared
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Teach me: The electrolytic cell and the parts it is made of
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Practice set: Non-metals and their compounds reviewed
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Practice set: Amphoteric substances and how they behave
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