京东 11.11 红包
acid + calcium carbonate
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testing for carbonate ions
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acid + zinc
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AS化学实验_Running an acid base titration analysis (phenolphthalein as indicator)
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metals react with acid
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Setting up and Performing an acid-base Titration
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Thermal Decomposition of Copper Carbonate (10.2 reactivity series)
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the dehydration of cyclohexanol to cyclohexene
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Thermal Decomposition of Zinc Carbonate (10.2 Reactivity series)
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Testing for sulfate ions in solution
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IV-1_alkene with bromine and manganate(VII)烯烃与溴水或高锰酸钾的反应
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Rates Of Reaction_sodium thiosulfate with acid
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phenolphthalein as indicator
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Topic 8.1 Copper carbonate reacts with sulfuric acid碳酸铜与稀硫酸的反应
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litmus indicator
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IV-1_Bromination of alkenes烯烃让溴水褪色
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identification of iodide ion
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identification of sulfate ion
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cracking a hydrocarbon
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Determination of partition coefficient of benzoic acid (Ch21 Aqueous equilibria)
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testing for cations using sodium hydroxide
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Preparing A Soluble Salt
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displacement reactions between halogens
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Topic 12_Sulfuric acid and the Contact process硫酸的工业制法
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making butyl ethanoate video 1_heating under reflux
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Experiment 11_Synthesis of pentaamminechlorocobalt (III) Chloride
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identification of aluminium ion
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identification of iron(II) ion
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III-2_Reaction of Calcium and Water
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methyl orange indicator
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Alcohol reacts with PCl5
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identification of chloride ion
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titration - preparing a standard solution
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reduction of alcohol bu sodium
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臭氧层的破坏
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Simple Redox Titration
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Double Titration
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反应停事件（The Thalidomide Tragedy）
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testing for halide ions in solution
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Reduction of copper oxide by hydrogen (7.4 Redox)
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Chemical equilibrium demonstration