
1130920體育二課後測驗
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
郭政郎 郭政郎
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
水的淨化中,凝聚法是加入何種物質呢?
水的淨化中,凝聚法是加入何種物質呢?
活性碳
硫酸鎂
氯化鈉
明礬
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
硬水是水中溶有哪兩種金屬離子?
硬水是水中溶有哪兩種金屬離子?
Ca2+、Mg2+
HCO3-
Cl-
SO42-
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
硬水的軟化可在水中加入何種物質呢?
硬水的軟化可在水中加入何種物質呢?
氯化鈉
鹽酸
碳酸鈉
氫氧化鋁
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一項不是將海水淡化的方法呢?
下列哪一項不是將海水淡化的方法呢?
蒸餾法
逆滲透法
半透膜電透析法
凝聚法
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關無機化合物的敘述下列何者錯誤?
有關無機化合物的敘述下列何者錯誤?
汞中毒導致水俁病
鎘中毒導致痛痛病
綠牡蠣為鉛中毒汙染
砷中毒導致烏腳病
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
水在幾度C的時候有最大密度?
4度C
100度C
85度C
0度C
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
曝氣法可增加水中何種氣體的溶解量?
氧氣
氮氣
二氧化碳
氨氣
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