litmus indicator
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universal indicator
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phenolphthalein as indicator
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the dehydration of cyclohexanol to cyclohexene
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methyl orange indicator
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AS化学实验_Running an acid base titration analysis (phenolphthalein as indicator)
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acid + calcium carbonate
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Testing for sulfate ions in solution
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Buchner funnel
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Acid Base Titration using Methyl Orange as indicator
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double indicator titration（1）
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Titration NaOH vs HCl using phenolphthalein as indicator
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Sublimation and deposition of iodine
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testing for cations using sodium hydroxide
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acid + zinc
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testing for carbonate ions
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IV-1_Bromination of alkenes烯烃让溴水褪色
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臭氧层的破坏
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oxidation of alcohol_reflux vs. distillation
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cracking a hydrocarbon
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Simple Redox Titration
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Electrical conductivity with salt water
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identification of sulfate ion
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testing for halide 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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identification of ammonium ion
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effect of concentration on equilibrium
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fire and flame 05_Buring flour
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Nuclear Fission (Animation)
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identification of aluminium ion
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Iodoform test
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Double Titration
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metals react with acid
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Thermal Decomposition of Zinc Carbonate (10.2 Reactivity series)
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identification of chloride ion
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Estimation of Copper in Copper(II) Salts
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Test of magnesium ion with sodium hydroxide
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Simple Distillation
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identification of calcium ion
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identification of iron(III) ion
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Alcohol reacts with PCl5