250 prompts matching "Exam practice: Nuclear fission and the chain reaction"
Calculation practice: Working out the formula of an ionic compound from its charges
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Real-life Nigeria: The properties of ionic and covalent compounds compared
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Real-life Nigeria: Alloys, and the reasons they are made
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Calculation practice: Working out the change in oxidation number
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Quiz me: Identifying the oxidising agent and the reducing agent
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Explain back: Why oxidation and reduction always occur together
I have just studied why oxidation and reduction always occur together in my SS2 Chemistry
Quiz me: The link between reactivity and the method of extraction
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Calculation practice: Calculating the mass of metal obtainable from an ore
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Real-life Nigeria: Nigeria's metal deposits and their exploitation
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Chemistry at work: Metalloids, and where they sit between the two
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Explain back: The preparation and properties of chlorine
I have just studied the preparation and properties of chlorine in my SS2 Chemistry class.
Calculation practice: Calculating the volume of a gas from a given mass
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Explain back: Metals and their extraction reviewed
I have just studied metals and their extraction reviewed in my SS2 Chemistry class. Let me
Real-life Nigeria: Linking bonding, structure and properties together
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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
Spot my mistake: Treating concentration and strength as the same thing
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Real-life Nigeria: Buffer solutions and where they matter
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Quiz me: The standard solution and how one is prepared
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Calculation practice: Calculating the purity of a sample from titration data
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Chemistry at work: The accuracy demanded of an analytical chemist
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