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【元素図鑑No.19】ナトリウムを超える破壊力！？紫の炎を上げる危険な金属「カリウム」の正体 #科学 #元素 #カリウム #化学 #雑学 #実験 #バナナ #健康 #肥料 #教育 #教養
2:08
【元素図鑑No.19】ナトリウムを超える破壊力！？紫の炎を上げる危険 …
1.2K views1 month ago
YouTubestudio NK
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