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物质的分类及转化ppt Free Resources Download
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"Calculation and Balancing of Redox Reactions" Substances and Their Changes PPT
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2023-09-25 18:21:27
"Changes in Baking Soda and White Vinegar" Changes in Substances PPT
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2023-09-25 17:31:47
"Important Nutrients for Humans" Chemistry and Life PPT Courseware
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"Nitrogen Cycle" Nature and Transformation of Matter PPT (Lesson 1 Nitrogen Cycle in Nature Nitrogen and Nitrogen Oxides)
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2023-09-25 17:34:00
"Changes and Properties of Matter" Entering the World of Chemistry PPT Courseware
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2023-09-25 18:21:14
"Important Nutrients for Humans" Chemistry and Life PPT download
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"Measurement of Energy Transformation" PPT
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"The Mass of Objects and Its Measurement" PPT courseware on the scale, mass and density of the material world
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2023-09-25 18:19:59
"Solubility of Substances" Dissolution of Substances PPT Courseware
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"Solubility of Substances" Dissolution of Substances PPT Courseware
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2023-09-25 18:21:18
"Particles Constituting Matter (I) - Molecules" PPT courseware on the composition of air and matter
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"Try to classify living things" PPT courseware for classifying living things according to their characteristics
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"Try to classify living things" PPT courseware for classifying living things according to their characteristics
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"Diversity of Iron" Properties and Transformation of Matter PPT (Lesson 1 Ferrous Salts and Iron Salts)
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2023-09-25 17:34:02
"Commonly used physical quantities in chemistry - the amount of matter" PPT courseware for understanding chemical science (lesson 1: the amount of matter and its unit molar mass)
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2023-09-25 18:21:39
"Exploring the Characteristics of Vaporization and Liquefaction" Material Forms and Their Changes PPT Courseware 2
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2023-09-25 18:20:52
"Classification of Elements and Matter" Elements and the Material World PPT (an important mixture in Lesson 2 - colloid)
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2023-09-25 18:21:38
"Basic Properties of Fractions" Fraction PPT
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2023-09-20 15:13:41
"Commonly used physical quantities in chemistry - the amount of matter" PPT courseware for understanding chemical science (lesson 1, the amount of matter and its unit molar mass)
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2023-10-05 09:46:39
"Sulfur and Its Compounds" Important non-metallic elements in chemical production PPT (Lesson 3: Transformation of sulfur-containing substances in different valence states)
下载 439 次
2023-09-25 17:33:59
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