500 prompts matching "Exam practice: Sublimation and the substances that show it"
Calculation practice: Calculating the yield of sulphuric acid from sulphur
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Quiz me: The laboratory and industrial preparation of nitrogen
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Explain back: The preparation and properties of carbon dioxide
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Calculation practice: Calculating the carbon dioxide released by a mass of limestone
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Quiz me: Temporary hardness and the compounds responsible
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Explain back: Permanent hardness and the compounds responsible
I have just studied permanent hardness and the compounds responsible in my SS3 Chemistry c
Calculation practice: Calculating the amount of softener required
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Calculation practice: Calculating the nitrogen content of a fertiliser
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Calculation practice: Working out the oxidation state in a complex ion
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Explain back: Amino acids and the peptide link
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Calculation practice: Calculating the molar mass of a simple peptide
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Practice set: Identifying cations with sodium hydroxide solution
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Real-life Nigeria: Identifying a salt from combined cation and anion tests
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Practice set: Calculating Kc from equilibrium concentrations
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Real-life Nigeria: Petrol quality and adulteration in Nigeria
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Spot my mistake: Assuming every coloured substance is a dye
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Real-life Nigeria: Adire and indigo dyeing in Nigeria
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Real-life Nigeria: Corrosion of pipelines and bridges in Nigeria
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Real-life Nigeria: Sachet and bottled water quality in Nigeria
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Real-life Nigeria: Radioisotopes in medicine, industry and dating
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