250 prompts matching "Exam practice: Substitution with halogens, and the mechanism in outline"
Chemistry at work: The petrochemicals made from oil and gas
Act as my SS2 Chemistry tutor. Explain which Nigerian jobs and industries depend on the pe
Exam practice: Converting ammonia into nitrogenous fertiliser
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Practice set: Turning pig iron into steel in the converter
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Practice set: Half-life and what it means
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Spot my mistake: Balancing a nuclear equation without checking the mass number
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Chemistry at work: The benefits and the hazards of nuclear chemistry
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Practice set: The cement industry in Nigeria
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Exam practice: A full SS2 Chemistry paper under examination conditions
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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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Explain back: Why oxidation and reduction always occur together
I have just studied why oxidation and reduction always occur together in my SS2 Chemistry
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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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