
有機化合物等題目

Quiz
•
Chemistry
•
9th Grade
•
Medium
瑋辰 倪
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
有機化合物的結構是由什麼元素組成的?
碳、氮和氫
碳、氫和氧
氮、氧和氫
碳、氧和氫
2.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
酸性溶液的pH值是大於還是小於7?
小於0
大於7
小於7
等於7
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
化學反應中,氧化還原反應是指什麼?
氧化還原反應是指電子轉移的化學反應。
氧化還原反應是指化學物質的變色反應。
氧化還原反應是指溶液中的沉澱反應。
氧化還原反應是指物質的熔化反應。
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
有機化合物中的碳原子數目越多,分子量是增加還是減少?
不變
減少
增加
變化不定
5.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
酸和鹼進行中和反應時,產生了什麼物質?
氧氣和二氧化碳
氯氣和氨氣
氧氣和氫氣
鹽和水
6.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
化學反應中,平衡狀態是指什麼?
反應物和生成物的濃度或壓力保持不變的狀態
反應物和生成物的比例不斷變化的狀態
反應物和生成物的濃度或壓力不斷變化的狀態
反應物和生成物完全消失的狀態
7.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
有機化合物的命名中,CH3代表什麼官能基?
甲基
氧基
羧基
氯基
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