250 prompts matching "Leaving out the oxidation state where it is needed"
Explain back: The soap and detergent industry in Nigeria
I have just studied the soap and detergent industry in Nigeria in my SS2 Chemistry class.
Calculation practice: Calculating output and efficiency for a plant
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Real-life Nigeria: The obstacles facing Nigerian chemical manufacturing
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Explain back: Industrial chemistry reviewed
I have just studied industrial chemistry reviewed in my SS2 Chemistry class. Let me explai
Quiz me: The formation of an ionic bond in sodium chloride
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Chemistry at work: Why ionic compounds conduct only when molten or dissolved
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Quiz me: The properties that metallic bonding explains
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Calculation practice: Predicting a substance's structure from its properties
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Practice set: Assigning oxidation numbers in compounds and in ions
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Chemistry at work: Redox reactions in batteries and cells
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Teach me: The general physical properties of metals
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Calculation practice: Comparing metals by a density calculation
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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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Teach me: The general physical properties of non-metals
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Exam practice: The halogens as a family of non-metals
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Calculation practice: Predicting a non-metal's valency from its group
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Teach me: The oxides of non-metals and their acidic nature
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Quiz me: The hydrides of the non-metals
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Exam practice: The tests that identify the common non-metal gases
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