[解題] 國中理化有機化合物
1.年級: 國二
2.科目: 理化
3.章節:
版本、章節數、主題
4.題目:
不同章節或主題之題目請份篇發表
阿國上童軍課時,架鐵網以炭火烤魚,他可在魚身上塗抹何者物質,較可以防止魚被烤焦
? (A)砂糖 (B)麵粉 (C)精鹽 (D)太白粉
5.想法:
這題答案是C
因為他不是有機化合物,不含有碳
但我不太懂的是,為何這題應該用有機化合物來理解呢?
難道不能用熱傳遞來解釋嗎? 就像我們用鋁箔紙包東西,當然也可以讓裡面的食物
比較不會焦
謝謝!
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所以大大的意思是碳水化合物內的C因為加熱而跑出來囉?
不過這只是代表我外加的東西產生了碳,又不代表"魚本身"被烤焦
魚本身被烤焦這件事,應該要以熱傳導的方向切入吧
例如我塗抹的東西很難導熱,減少魚吸收熱量的速率,那當然不容易焦
※ 編輯: oceangyre (61.70.212.118), 05/22/2016 23:29:29
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