10分鐘小測:第3章 海洋

Quiz
•
Chemistry
•
10th - 12th Grade
•
Hard
Chemistry Aristo
Used 5+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
用下圖所示的裝置分離氯化銅(II) 溶液和銅的混合物。下列哪些有關這過程的陳述正確?
(1) 這過程涉及物理變化。
(2) 濾液在焰色試驗中產生藍綠色火焰。
(3) 殘餘物含有氯化銅(II) 固體。
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
你現有一稀食鹽溶液。下列哪項或哪些方法可提升食鹽溶液的濃度?
(1) 把更多水加入溶液
(2) 把溶液加熱以除去一些水
(3) 把更多食鹽加入溶液
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
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