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"Chlorine and its Compounds" Important elements in seawater - sodium and chlorine PPT (Lesson 1 Properties of chlorine)
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2023-09-25 18:21:26
"Diversity of Iron" Properties and Transformation of Matter PPT (Properties of Iron and its Compounds in Lesson 1)
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"Chlorine and its Compounds" Important elements in seawater - sodium and chlorine PPT (Lesson 1 Properties of chlorine)
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"Ethylene and Organic Polymer Materials" Organic Compounds PPT (Lesson 2 Hydrocarbon Organic Polymer Materials)
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"Micro Project Demonstrates the Rationality of "Car Restrictions" in Heavy Pollution Weather" Nature and Transformation of Substances PPT
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"The realization of the cooperation between the Kuomintang and the Communist Party and the victorious march of the Northern Expedition" The rise of the new democratic revolution PPT courseware
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"Micro Project Demonstrates the Rationality of "Car Restrictions" in Heavy Pollution Weather" Nature and Transformation of Substances PPT
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2023-09-25 17:34:00
"Chlorine and its Compounds" Important elements in seawater - sodium and chlorine PPT (Lesson 1 Properties of chlorine)
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2023-10-05 09:46:46
"The Realization of Cooperation between the Kuomintang and the Communist Party and the Victorious March to the Northern Expedition" The Rise of the New Democratic Revolution PPT courseware
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"Diversity of Iron" Properties and Transformation of Matter PPT (Properties of Iron and its Compounds in Lesson 1)
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"The Realization of Cooperation between the Kuomintang and the Communist Party and the Victorious March to the Northern Expedition" The Rise of the New Democratic Revolution PPT courseware
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2023-09-25 18:27:27
"Chlorine and its Compounds" Important elements in seawater - sodium and chlorine PPT (Lesson 1 Properties of chlorine)
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2023-09-25 18:21:26
Business atmosphere cooperation and win-win company enterprise employee team building management training courseware PPT template
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"Nitrogen and Its Compounds" Important non-metallic elements in chemical production PPT (Lesson 2: Ammonia and ammonium salts)
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"The Trend of the Times for Peaceful Development, Cooperation and Win-win" Characteristics and Main Trends of Contemporary World Development PPT
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"Ethylene and Organic Polymer Materials" Organic Compounds PPT (Lesson 2 Hydrocarbon Organic Polymer Materials)
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Daoge Resources and Shangshou Sanzi Genuine Font Purchase Limited-time Discount Website Member Exclusive Discount!
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"Nitrogen and Its Compounds" Important non-metallic elements in chemical production PPT (Lesson 2: Ammonia and ammonium salts)
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"Classification of Elements and Matter" Elements and the Material World PPT (an important mixture in Lesson 2 - colloid)
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"Ethylene and Organic Polymer Materials" Organic Compounds PPT Courseware (Lesson 2 Hydrocarbon Organic Polymer Materials)
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"Sodium and Its Compounds" Important elements in seawater - sodium and chlorine PPT (Lesson 1: Active metal element - sodium)
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"Ethylene and Organic Polymer Materials" Organic Compounds PPT Courseware (Lesson 2 Hydrocarbon Organic Polymer Materials)
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"Basic Nutrients" Organic Compounds PPT Lesson (Micro Topic Identification, Testing and Removal of Common Organic Compounds)
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"Sodium and Its Compounds" Important elements in seawater - sodium and chlorine PPT (Lesson 1: Active metal element - sodium)
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