國中理化問題緊急!!(順便推薦九年級複習講義) - 酒精
By Lucy
at 2012-06-24T00:00
at 2012-06-24T00:00
Table of Contents
有2個問題取油酯和鹼性溶液共煮實驗中加入酒精一起加熱的作用是A使油酯和甘油分離B使肥皂能浮出液面C使油酯和鹼性溶液能混合均勻D使肥皂能夠溶解在酒精中答案是A可是我覺得怪怪的應該是B吧A不是食鹽水嗎是答案給錯了嗎?皂化完成後的溶液為何要加入飽和時鹽水A幫助吸收油酯B使氫氧化鈉溶解於��
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By Ursula
at 2012-06-26T18:19
at 2012-06-26T18:19
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at 2012-06-28T04:59
at 2012-06-28T04:59
By Lauren
at 2012-06-26T08:59
at 2012-06-26T08:59
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