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