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mingson.
2007-01-17 19:04
Chem essay.......
essay題目： Using sodium chloride as an example, describe the procedure of carrying out a flame test. State the expected result and the necessary precautions that should be taken.
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智者
2007-01-17 19:17
寫flame test既步驟
結果: brilliant golden yellow flame is observed
寫precaution
黑魔道士比比
2007-01-20 01:19
你想問邊part? procedure 接近係抄書題黎架喎~"~
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