500 prompts matching "Assigning oxidation numbers in compounds and in ions"
Practice set: Naming a polymer from its monomer, and the reverse
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Exam practice: Thermoplastics and thermosetting plastics compared
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Calculation practice: Calculating the number of repeating units from molar mass
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Exam practice: The link between the reactivity series and the method used
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Exam practice: The amphoteric nature of aluminium oxide and hydroxide
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Exam practice: The laboratory preparation and the tests for chlorine
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Practice set: The properties and reactions of sulphuric acid
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Exam practice: Sulphuric acid as an acid, a dehydrating agent and an oxidiser
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Quiz me: The laboratory and industrial preparation of nitrogen
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Practice set: The Haber process and the conditions it uses
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Exam practice: Nitric acid, its manufacture and its reactions
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Real-life Nigeria: Carbonates, hydrogencarbonates and their reactions
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Exam practice: Removing permanent hardness by chemical and ion-exchange methods
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Exam practice: The NPK rating and how to read it
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Calculation practice: Working out the oxidation state in a complex ion
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Practice set: Proteins, their structure and the tests for them
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Explain back: The flame test and the colours it gives
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Spot my mistake: Adding excess reagent too early and losing a precipitate
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Explain back: Testing for sulphate and for sulphite
I have just studied testing for sulphate and for sulphite in my SS3 Chemistry class. Let m
Real-life Nigeria: Identifying a salt from combined cation and anion tests
Act as my SS3 Chemistry tutor. Show me where identifying a salt from combined cation and a