國二理話的一些問題 - 酒精
By Hazel
at 2010-09-26T00:00
at 2010-09-26T00:00
Table of Contents
1.粉筆折斷;銅生銅綠;砂糖溶於水中;食物腐敗;光合作用;開水沸騰;汽油燃燒;食物消化;酒精蒸發;冰塊慢慢熔化;翠綠的樹頁枯黃;石蕊試紙變色。以上屬於化學變化者,有哪幾種?麻煩幫我分類一下物理和化學的謝謝哦2.下列何者是粒子只經由擴散作用所造成的結果?(A)一家烤肉萬家香(B)把糖�
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酒精
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By Lauren
at 2010-09-26T15:59
at 2010-09-26T15:59
By Heather
at 2010-09-29T04:58
at 2010-09-29T04:58
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