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"Classification and Transformation of Matter" PPT download
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2023-10-05 09:32:22
"Classification and Transformation of Matter" PPT courseware
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2023-10-05 09:32:22
"Classification and Transformation of Matter" Matter and its Changes PPT (Classification of Matter in Lesson 1)
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"Classification of Matter" Classification and Transformation of Matter PPT Teaching Courseware
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"Classification of Matter" Classification and Transformation of Matter PPT Teaching Courseware
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"Material Changes and Us" Material Changes PPT
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"Nitrogen Cycle" Nature and Transformation of Matter PPT (Transformation and Generation of Ammonia in the Second Lesson)
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"Diversity of Iron" Properties and Transformation of Matter PPT (Transformation between Iron and Its Compounds in Lesson 2)
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"Material Around Us" Changes in Matter PPT
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"Transformation of Sulfur" Properties and Transformation of Matter PPT (Sulfur Dioxide in Nature in the First Lesson)
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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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"Transformation of Sulfur" Nature and Transformation of Substances PPT (Second Lesson: Sulfuric Acid Rain and Its Prevention and Control)
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"Material Changes and Us" Material Changes PPT Courseware
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"What changes have occurred in matter" Changes in matter PPT
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"Material Changes and Us" Material Changes PPT Download
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"Conversion of Sulfur" Nature and Transformation of Substances PPT (Lesson 2: Sulfuric Acid Rain and Its Prevention and Control)
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"Changes of Matter" PPT download
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"Changes of Matter" PPT courseware
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2023-09-25 18:16:39
"Diversity of Iron" Properties and Transformation of Matter PPT (Lesson 2: The transformation relationship between iron, iron oxides and iron hydroxides, iron and its compounds)
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2023-09-25 17:34:02
"Diversity of Iron" PPT courseware on the properties and transformation of matter (the transformation relationship between iron and its compounds in Lesson 3)
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