
化學CH4-5

Quiz
•
Chemistry
•
11th Grade
•
Medium
賴美娟 賴美娟
Used 4+ times
FREE Resource
35 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
由測量生化需氧量(BOD)可判定
水的硬度
水中有機物的汙染程度
水中含氧量
水的酸鹼程度
2.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
造成湖泊及河流優養化的原因是含有哪些元素的化合物,排入水中後,促進藻類快速繁殖,耗盡水中溶氧所造成?
氫及氧
氧及磷
鈣及鎂
3.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
下列何者為我國用於消毒自來水的化學物質?
雙氧水
氯氣
氧氣
碘酒
4.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
蒸餾是利用下列何種性質的差異,來達成分離物質的目的?
密度
沸點
熔點
溶解度
5.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
下列何者為天然氣的主要成分?
甲烷
乙烷
丙烷
丁烷
6.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
液化石油氣其主要成分為?
甲烷
丙烷和丁烷
一氧化碳和氫氣
與汽油成分相同
7.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
粗鹽中因含有哪種鹽類而具有苦味?
氯化鈣
氯化鎂
硫酸鈣
硫酸鎂
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