
第2章小測
Authored by MAK (MWK)
Science
7th Grade
Used 27+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
圖中顯示水循環,X 和 Y 分別是
沸騰,雲
蒸發,雪
沸騰,雪
蒸發,雲
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
以下哪些物質可溶於水?
(1) 二氧化碳
(2) 粟粉
(3) 沙
(4) 鹽
只有(1)和(2)
只有(1)和(4)
只有(2)和(3)
(1)、(2)和(4)
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
糖具兩款不同形狀—方糖和幼砂糖。
幼砂糖能更快地溶解在水中,這是因為
它的溶解度較方糖高。
它比方糖重。
它的表面積較方糖大。
它的體積較大。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在過濾法中,被濾紙分隔出來的雜質稱為
殘餘物
濾液
溶質
泥
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
在蒸餾的過程中,水會先________________,然後__________________。
蒸發,凝結
凝結,沸騰
蒸發,沸騰
沸騰,凝結
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
以下哪種/些物質不是同來殺滅食水中的微生物?
(1)臭氧
(2)氯氣
(3)氟化物
(4)明礬
(1) 和 (3)
(2) 和 (3)
(3) 和 (4)
(1)、(2) 和 (3)
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
蒸汽凝結成水時會釋出能量。
是
非
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