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• 21. If silver nitrate is converted into silver nanoparticles, the most possible process for such a c
• 22. A compound with the following molecular formula contains two double bonds. What is the correct s
• 23. When butane undergoes free radical bromination, the product mixture contains 98% 2-bromobutane a
• 17 函 數 f ( x) = x 2 , − π < x < π 的 傅 立 葉 級 數 為 ， 求？(A) (B) (C) (D)
• 24. Which of the following is not a property of a protecting group?(A) Change the reactivity of a fu