今天剛考完中油理化問題 - 生活
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By Agatha
at 2011-01-09T00:00
at 2011-01-09T00:00
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這是其中一題下列實驗操作,何者符合安全規則?1.濾紙上剩餘的鈉粒應丟進垃圾桶不可倒入水槽中2.稀釋硫酸時,將濃硫酸加入大量水中3.略4.略之前有做過類似的一題(82日大),答案有1......Showmore
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By Eartha
at 2011-01-09T20:47
at 2011-01-09T20:47
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By Yuri
at 2011-01-12T14:45
at 2011-01-12T14:45
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By Mary
at 2011-01-13T02:07
at 2011-01-13T02:07
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By Suhail Hany
at 2011-01-11T11:09
at 2011-01-11T11:09
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