京东 11.11 红包
Buchner funnel
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phenolphthalein as indicator
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acid + zinc
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Preparing A Soluble Salt
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Iodine Thiosulfate Redox Titration Demonstration
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IMFs-1
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acid + calcium carbonate
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universal indicator
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Ch29 section D chromatography
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Sublimation and deposition of iodine
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cracking a hydrocarbon
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oxidation of alcohol_reflux vs. distillation
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Testing for sulfate ions in solution
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AS化学实验_Running an acid base titration analysis (phenolphthalein as indicator)
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Intermolecular forces -2
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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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metals react with acid
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Flame tests on cations
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testing for carbonate ions
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testing for halide ions in solution
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Setting up and Performing an acid-base Titration
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titration procedure
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IV-1_Bromination of alkenes烯烃让溴水褪色
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Iodoform test
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effect of concentration on equilibrium
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Simple Distillation
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hydrocarbon combustion products
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identification of chloride ion
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臭氧层的破坏
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Pearson Edexcel (9-1) electrolysis of copper sulfate with copper electrodes
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displacement reactions between halogens
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Titration NaOH vs HCl using phenolphthalein as indicator
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identification of aluminium ion
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Thermal decomposition of calcium carbonate (10.2 Reactivity series)
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methyl orange indicator
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Chemical equilibrium demonstration
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reaction of barium hydroxide and ammonium chloride
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s21_qp_13_q12
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identification of ammonium ion
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Standard Hydrogen Electrode (Ch20 Eelectrochemistry)
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Experiment 11_Synthesis of pentaamminechlorocobalt (III) Chloride