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01 Chemical formula and chemical name (English narrative and subtitle) (chemistry edb) View |
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01 Chemical formula and chemical name (Cantonese narrative and English subtitle) (chemistry edb) View |
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02 Criss cross rule (English narrative and subtitle) (chemistry edb) View |
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02 Criss cross rule (Cantonese narrative and English subtitle) (chemistry edb) View |
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List of chemical compounds with unusual names | Wikipedia audio article (wikipedia tts) View |
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Chemistry for TOEFL IELTS Freeae - Geraldine's Free Academic English (Freeae) View |
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class 7 chemistry Chapter 1Matter and chemical formulae part 2 (knowledge time) View |
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class 7 chemistry chapter 1 Matter and Chemical formulae part 1 (knowledge time) View |
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All About Nylon (magda hoskins) View |
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Criss cross method: basic ionic compounds (MrHren) View |