資訊推薦

• 27.己知鹼性溶液中 則下列各項敘述中,何者為正確?(A)在 溶液中, 是比 較強的選原劑(B)在 溶液中, 是比 較強的還原劑(C)在鹼性溶液中, 可進行自身氣化還原變成MnO2和 (D)在鹼性溶液
• 28.將A、B二鉑電極插入熔融之氣化鈉中,又將C、D二碳電極懸凌於0.5M之碘化鉀水溶液中並將B與C電極以銅線相連。若對A與D電極施電壓,以固定的電流電解10分鐘,而在A電極產生23克的鈉,則(A)在
• 29.下列何者可發生分子內氫鍵?(A)柳酸(B)反丁烯二酸(C)乙酸乙酯(D)對苯二甲酸(E)蛋白質。
• 30.下列有關柳酸的敘述何者正確?(A)柳酸在水中的溶解度很低,但可溶於氣氣化鈉水溶液中(B)柳酸水解後可形成酚(C)柳酸可與乙醯氣反應生成柳酸甲酯(D)柳酸可與甲醇反應生成阿司匹靈 (E)柳酸可與氣
• 31.某生欲分辨甲、乙、丙、丁、戊五瓶未知物只知這五瓶為正丁醇、2-丁醇、2-甲基2-丁醇、2-戊烯及乙醚,該生經由下列實驗來鑑別:實驗一:各取少許未知物,分别加入澳的四氣化碳溶液,發現只有戊可使溶液
• 32.下列反應,何者不會放出酸性或齡性氣體反應產物?(A)將碳酸氣鈣水溶液加熱至沸騰 (B)加熱 Cr(OH)3 (C)苯和濃硫酸加熱 (D)甲烷和氣氣在紫外光照射下(E)在FeCl3觸媒下,苯和氣氣
• 33.用4.28克KIO3加水配成1公升(甲)水溶另用190克Na2S2O5、4.0克可溶性澱粉及5毫升之1M硫酸混合而加水配成1升()水溶液則下列各項實驗記錄中,何者為正確?(A)10毫升(甲)與1
• 34.下列有關分子或錯離子的幾何結構及其中心原子所使用的混成軌域之敘述,何者正確?(A) (B)SF6:正八面體、d2sp3 (C)NH3:角錐形、sp3 (D) (E)SO3:平面三角形、sp2
• 35.已知氣態氣化氣通入水中溶解成酸性溶液時,放出熱量。有關下列五個反應: 之反應熱△H1,△H2,△H3,△H4,△H5之間,下列各種關係中,何者正確?(A)△H1+ △H2+ △H3+△H4+△H
• 36.下列兩個化學反應(1)及(2)中,△H1及△H2為各反應的反應熱:  當温度下降時反應(1)的平衡向右移動,反應(2)的平衡反而向左移動,根據此事實,則下列三個反應的反應熱△H3,△H4及△H5
• 31 Researchers discover that more than half of the sodium that people _____ are store-bought food. (
• 12. Lots of people in this building have _______ about the noise.(A) amazed (B) raised (C) complaine
• 13. The little boy’s dream is to______ money for digging wells toprovide kids in Africa clean water.
• 14. ______ bad weather stops me, I go for a walk every morning.(A) Until (B) Because (C) If (D) Unle
• 15. A true friend always ______ my troubles as well as my joys.(A) shakes (B) shares (C) shoots (D)
• 16. They bowed down to the queen to show their _______ for her.(A) respect (B) except (C) reward (D)
• 17. Saying “Hello” and saying “Goodbye” are both importantmoments in our _____ of life .(A) shape (B
• 18. Do you remember _______ life at the beginning of junior highseemed so hard and stressful?(A) how
• 19. I ______ John crying. He _____ sad.(A) listened, sounded (B) sounded, heard (C) heard, sounded(D
• 20. Which is the painting ______ was drawn by Vincent ?(A) which (B) who (C) what (D) that
• 21. Sophia is one of the most beautiful girls _____(A) that I’ve ever seen her (B) who I had ever se
• 22. When he woke up this morning, it _______ heavily outside.(A) had rained (B) was raining (C) is r
• 23. As long as you need my help, I _____ here and give you ahand. (A) will leave (B) left (C) stayed
• 24. Let the boy _______ outside the classroom come in.(A) stand (B) stands (C) who stand (D) that is
• 25.The river has changed a lot. There _______ a lot of fishswimming happily in the clear water. But