
潔淨的水
Quiz
•
Science
•
4th Grade
•
Practice Problem
•
Hard
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
香港其中一個食水來源是?
海水
雨水
淡水
水塘
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
濾水廠裏的過濾池會利用 ______把水淨化。
過濾法
海水化淡法
蒸餾法
沉澱法
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
以下哪兩個是香港收集雨水的主要來源?
水塘
大廈天台
天井
引水道
4.
DRAW QUESTION
3 mins • 1 pt
請試把水質受污染時的環境畫出來

5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
水塘的水不適宜飲用,是因為水中含有很多__和__?
氧
雜質
二氧化碳
細菌
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
哪兩個方法是節約用水?
重復使用
減少使用
用完即棄
大量使用
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
濾水廠內的清水池會在已過濾的水中加入____和____。
氮氣
氯氣
氧氣
氟化物
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