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《硫的轉化》物質的性質與轉化PPT(第二課時硫酸酸雨及其防治) Free Resources Download
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《硫的轉化》物質的性質與轉化PPT(第二課時硫酸酸雨及其防治)
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"Parity" Concept and Properties of Functions PPT
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"New Materials and Their Applications" Scale, Mass and Density of the Material World PPT Courseware 3
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"Scale of Objects and Their Measurement" Scale, Mass and Density of the Material World PPT Courseware 4
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"Scale of Objects and Their Measurement" Scale, Mass and Density of the Material World PPT Courseware 3
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"Redox Reaction" Elements and the World of Matter PPT (Lesson 2 Oxidizing Agents and Reducing Agents)
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"Reaction of Acid and Base" Common Acids, Bases and Salts PPT Courseware 3
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Specific Heat of Substances PPT
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"Amount of Substances" Important elements in seawater - sodium and chlorine PPT (Lesson 3: Amount and concentration of substances)
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