250 prompts matching "Assuming every coloured substance is a dye"
Exam practice: The common oxidising and reducing agents and their tests
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Chemistry at work: Redox reactions in batteries and cells
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Exam practice: The reactivity series and how it is established
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Practice set: Extraction by electrolysis
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Spot my mistake: Proposing carbon reduction for a very reactive metal
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Chemistry at work: Metalloids, and where they sit between the two
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Spot my mistake: Describing a non-metal oxide as basic
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Teach me: The electrolytic cell and the parts it is made of
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Explain back: The preferential discharge of ions
I have just studied the preferential discharge of ions in my SS2 Chemistry class. Let me e
Practice set: The electrolysis of brine and the products it gives
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Exam practice: The electrolysis of molten and of aqueous compounds compared
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Spot my mistake: Predicting products without considering concentration
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Exam practice: Electrolysis and electrochemistry reviewed
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Spot my mistake: The errors most often made in first-term SS2 Chemistry
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Chemistry at work: Preparing a revision plan for the SS2 first term
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Explain back: The strength of an acid and the degree of ionisation
I have just studied the strength of an acid and the degree of ionisation in my SS2 Chemist
Exam practice: The hydrolysis of salts and the pH that results
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Spot my mistake: Treating concentration and strength as the same thing
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Teach me: What volumetric analysis sets out to do
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Quiz me: The standard solution and how one is prepared
Act as my SS2 Chemistry tutor and quiz me on the standard solution and how one is prepared