Последние добавленные видео:
CH-8-Smelting
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7 months ago
24932 7 months ago 31:5910th Science | Chemistry Unit 8 | Smelting Process in Tamil Chapter 8 Long Answers | Shravanee ma'am
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3 years ago
22 3 years ago 15:0910th class chemistry chapter # 8 lecture # 1 part # 2 | Smelting
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4 years ago
40617 4 years ago 6:14How to draw a Blast furnace | extraction of iron
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4 years ago
42104 4 years ago 23:13Smelting || Extraction of metal from concentrated ore || 10th Class chemistry || ch.no.16
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4 years ago
27759 4 years ago 8:28Roasting | Extraction of metal from concentrated ore | 10th class chemistry | Ch.no.16 #Roasting