250 prompts matching "The raw materials Nigeria's chemical industries draw on"
Exam practice: Identifying the species oxidised in a reaction
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Spot my mistake: Assigning an oxidation number without checking the overall charge
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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
Exam practice: The common oxidising and reducing agents and their tests
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Quiz me: The link between reactivity and the method of extraction
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Exam practice: The extraction of iron in the blast furnace
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Calculation practice: Calculating the mass of metal obtainable from an ore
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Quiz me: Where the non-metals sit in the periodic table
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Explain back: The allotropes shown by some non-metals
I have just studied the allotropes shown by some non-metals in my SS2 Chemistry class. Let
Exam practice: The halogens as a family of non-metals
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Quiz me: The hydrides of the non-metals
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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.
Exam practice: The tests that identify the common non-metal gases
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Calculation practice: Calculating the volume of a gas from a given mass
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Explain back: The preferential discharge of ions
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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
Practice set: Non-metals and their compounds reviewed
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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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