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Chemistry Experiment - 19.4 - Determining the concentration of ethanoic acid in commercial vinegar

By: t1709, Views: 1136

Chemistry Experiment - 19.4 - Determining the concentration of ethanoic acid in commercial vinegar --- Music by BENSOUND http://www.bensound.com/royalty-free-... Creative Commons — Attribution 3.0 Unported— CC BY 3.0 http://creativecommons.org/licenses/b... Music promoted by Audio Lib...

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S4_2ndTerm_Topic11-12_Test_Q03

By: t1917, Views: 382

S4_2ndTerm_Topic11-12_Test_Q03

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Chemistry Tutorial-Ch3-1-Filtration, Evaporation and Distillation

By: t0803, Views: 2395

Chemistry Tutorial-Ch3-1-Filtration, Evaporation and Distillation

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F5_Maths_Ch3_3.0

By: t9431, Views: 597

中五級數學科第三課函數圖像的進一步認識

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F5_Maths_Ch3_3.1

By: t9431, Views: 602

中五級數學科第三課函數圖像的進一步認識

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F5_Maths_Ch3_3.2

By: t9431, Views: 610

中五級數學科第三課函數圖像的進一步認識

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F3 數學 4.2A: 解一元一次不等式：8x+7>30, 17-4x<5

By: t9505, Views: 600

Math3_04_Inequality_8x+7>30_17-4x<5

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Chemistry Experiment - 32.4 - Electroplating

By: t1709, Views: 1347

Chemistry Experiment - 32.4 - Electroplating ♫Music By♫ ●Nicolai Heidlas - Back In Summer - https://youtu.be/Rzbf4pW7Z1M ●Soundcloud - https://soundcloud.com/nicolai-heidlas ●Creative Commons — Attribution 3.0 Unported— CC BY 3.0 https://creativecommons.org/licenses/...

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Simple present tense_true now

By: t0721, Views: 837

Simple present tense_true now

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