
考考你:第2章 大氣
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Easy
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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪個或哪些物質是元素?
(1) 汞
(2) 乾冰
(3) 不銹鋼
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪個物質不是化合物?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪個或哪些過程屬於物理變化?
(1) 碘蒸氣凝華
(2) 木材在空氣中燃燒
(3) 色素在水中擴散
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪些有關化學變化的陳述正確?
(1) 化學變化總是需要加熱來啟動。
(2) 中和作用屬於化學變化。
(3) 化學變化總有一種或多種新物質生成。
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪項有關空氣的陳述正確?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
把空氣中的不同氣體分離出來主要分三個階段,下列哪項正確顯示這些階段的次序?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪項有關氮的陳述不正確?
(沸點:氮 = −196°C、氬 = −186°C、氧 = −183°C)
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