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1130920體育二課後測驗

Authored by 郭政郎 郭政郎

Chemistry

10th Grade

Used 1+ times

1130920體育二課後測驗
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. 水的淨化中,凝聚法是加入何種物質呢?

  1. 活性碳

  1. 硫酸鎂

  1. 氯化鈉

  1. 明礬

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. 硬水是水中溶有哪兩種金屬離子?

  1. Ca2+、Mg2+

  1. HCO3-

  1. Cl-

  1. SO42-

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. 硬水的軟化可在水中加入何種物質呢?

  1. 氯化鈉

  1. 鹽酸

  1. 碳酸鈉

  1. 氫氧化鋁

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. 下列哪一項不是將海水淡化的方法呢?

  1. 蒸餾法

  1. 逆滲透法

  1. 半透膜電透析法

  1. 凝聚法

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. 有關無機化合物的敘述下列何者錯誤?

  1. 汞中毒導致水俁病

  1. 鎘中毒導致痛痛病

  1. 綠牡蠣為鉛中毒汙染

  1. 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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