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{"id": "CAP_chemistry-106-13", "question": "阿凱於某地收集雨水,並在 25°C 的環境下以不同的試紙測試雨水的酸鹼性,下列哪一種試紙的顏色變化情形,最可能是說明「此地雨水的pH值小於5.0」的理由之一?", "A": "紅色石蕊試紙變成藍色", "B": "粉紅色氯化亞鈷試紙變成藍色", "C": "藍色氯化亞鈷試紙變成粉紅色", "D": "藍色石蕊試紙變成紅色", "E": null, "F": null, "answer": "D", "explanation": "", "metadata": {"timestamp": "2023-10-23 18:51:49.992129", "source": "CAP_chemistry-106", "explanation_source": ""}, "human_evaluation": {"quality": "", "comments": ""}}
{"id": "CAP_chemistry-108-14", "question": "市售防曬霜依其阻擋紫外線的原理,分為物理性和化學性兩種。物理性防曬霜的主要成分為二氧化鈦($TiO_2$)或氧化鋅($ZnO$);化學性防曬霜的主要成分為 柳酸酯($C_{15}H_{22}O_{3}$)或肉桂酸酯($C_{18}H_{26}O_{3}$),均為酯類。根據上述,判斷物理性和 化學性防曬霜的主要成分分別屬於有機或無機化合物?", "A": "物理性屬於無機化合物,化學性屬於有機化合物", "B": "物理性屬於有機化合物,化學性屬於無機化合物", "C": "物理性和化學性皆屬於有機化合物", "D": "物理性和化學性皆屬於無機化合物", "E": null, "F": null, "answer": "A", "explanation": "", "metadata": {"timestamp": "2023-10-23 18:51:49.991724", "source": "CAP_chemistry-108", "explanation_source": ""}, "human_evaluation": {"quality": "", "comments": ""}}
{"id": "CAP_chemistry-111-31", "question": "有一個帶電的離子含有 X、Y、Z 三種粒子(質子、電子、中子,未依照順序排列),且 X、Y、Z 的粒子數目依序為 $N_X$$N_Y$$N_Z$ 。已知 X 粒子的質量最小,關於此離子的說明,下列何者最合理?", "A": "若為陰離子,且 $N_X>N_Y=N_Z$,則 Z 為電子", "B": "若為陽離子,且 $N_Y>N_X=N_Z$,則 Z 為質子", "C": "若為陽離子,且 $N_Y>N_X=N_Z$,則 Z 為電子 ", "D": "若為陰離子,且 $N_X=N_Y>N_Z$,則 Z 為質子", "E": null, "F": null, "answer": "D", "explanation": "", "metadata": {"timestamp": "2023-10-23 18:51:49.990634", "source": "CAP_chemistry-111", "explanation_source": ""}, "human_evaluation": {"quality": "", "comments": ""}}
{"id": "CAP_chemistry-111-3", "question": "博物館的貴重畫冊常會保存在充滿氮氣的密閉容器中,以防止畫冊氧化。上述使用氮氣的原因,主要是考量氮氣具有下列何種性質?", "A": "比熱較小", "B": "密度較大", "C": "沸點較大", "D": "活性較小", "E": null, "F": null, "answer": "D", "explanation": "", "metadata": {"timestamp": "2023-10-23 18:51:49.990221", "source": "CAP_chemistry-111", "explanation_source": ""}, "human_evaluation": {"quality": "", "comments": ""}}
{"id": "CAP_chemistry-110-23", "question": "柴油引擎排放的廢氣含有較多的氮氧化物($NO_X$),若能加入氨氣與柴油引擎產生的氮氧化物反應,則可減少排放廢氣造成的空氣汙染。氨氣與氮氧化物的反應中,速率最快的反應為: $NO+NO_2+2NH_3$$2N_2+3H_2O$ 已知柴油引擎排放的廢氣中,$NO$ 所占比例約為$NO_2$的 9 倍。若欲藉由上述反應消耗大部分的氮氧化物,需使用觸媒轉化器調整反應前氮氧化物的比例,下列何種觸媒轉化器的設計最合理?", "A": "將 $NO_2$ 氧化成 $NO$,以提高 $NO$ 的比例", "B": "將 $NO_2$ 還原成 $NO$,以提高 $NO$ 的比例", "C": "將 $NO$ 還原成 $NO_2$,以提高 $NO_2$ 的比例", "D": "將 $NO$ 氧化成 $NO_2$,以提高 $NO_2$ 的比例", "E": null, "F": null, "answer": "D", "explanation": "", "metadata": {"timestamp": "2023-10-23 18:51:49.991040", "source": "CAP_chemistry-110", "explanation_source": ""}, "human_evaluation": {"quality": "", "comments": ""}}