京东 11.11 红包
Topic 8.3_Testing for chlorine gas
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Topic 8.3_Testing for sulfite ion by releasing sulfur dioxide gas
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Using a gas syringe to measure volumes of gases (2.1 and 7.3)
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Topic 7.4_Potassium Manganate(VII) with Potassium Iodide
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[IG化学]Topic 7.2 Rate of reaction复习
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I-4 Part B ideal gas笔记题讲解
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testing for cations using sodium hydroxide
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Topic 9_Various oxidation states of vanadium - Ammonium Vanadate (V) with zinc
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Topic 12 nitrogen and sulfur STR 16-18习题讲解
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[IG化学笔记题] Topic 14.4 Alcohol笔记题
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Decomposition of hydrogen peroxide (Topic 7.2 Rate of reaction)
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[IG化学] Topic 6 Chemical energetics MCQ 16-18 题目讲解
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Topic 4.2 Miscellaneous Q7
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[IG化学笔记题] Topic 12 non-metal compounds
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Conductivity demo of salts and molecules (Topic 3.2)
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[IG化学笔记题] Topic 14.2 Alkanes
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Topic 10.3 Aluminium Extraction金属铝的制取
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[IG化学真题讲解]Topic 11 Air and water MCQ 2020 上
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Topic 12_Sulfuric Acid and Sugar - Dehydration of Sugar Experiment浓硫酸让葡萄糖脱水
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Standard Hydrogen Electrode (Ch20 Eelectrochemistry)
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Chemistry Extraction of Iron in Blast furnace (Topic 10.3 Extraction of metals)
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Lemon Battery and How it Works (10.2 Reactivity series)
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Ammonia synthesis_Haber process (Topic 7.3 Reversible reaction)
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Topic 4.2 Miscellaneous Q6
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Topic 4.2 Miscellaneous Q5
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Decomposition of Lead nitrate (Topic 10.2 Reactivity series)
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Nuclear Reactor-Understanding how it works (Topic 6 Chemical energetics)
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Topic 12_Sulfuric acid and the Contact process硫酸的工业制法
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Hydrogen vs. Helium Balloon Experiment (8.3)
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II-2_Enthalpy change of a displacement reaction CuSO₄+Zn
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The oxidation states of vanadium-Chemical elements properties and reactions
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【万能思辨句式】黑塞啊,你是让我作文拿下50分的神!
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25国考报名审核通过了，别忘了做这三件事！国考审核通过≠报名成功！！！
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I-3 Part B Hybridization theory 第一部分
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Iodoform test
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identification of ammonium ion
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Chemical equilibrium demonstration
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[AS化学] I-2 MCQ 19-21_Q26_电子排布问题10
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[AS化学] I-3 Chemical bonding复习课(III)
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SN2 Reactions
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Topic 3_How are diamonds made人造钻石