[請益] 小學自然氧氣製造實驗
請問(5下康軒)
課本提到利用胡蘿蔔丁和雙氧水製造氧氣
在實際操作後，發現火焰的變化不如課本圖片如此的明顯
其原因為何?
或者可以用何種物質代替胡蘿蔔丁?
懇請賜教
謝謝
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