要從食鹽水溶液中取回食鹽,我們可以用過濾的方式取得。
108課綱 5上 自然 三、四 複習

Quiz
•
Science
•
5th Grade
•
Medium
Yu Chang
Used 6+ times
FREE Resource
84 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O
X
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
海水溶解了鹽類等物質,所以海水是水溶液。
O
X
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
利用水加熱會蒸發的原理,可以取回食鹽水溶液中的食鹽。
O
X
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
媽媽煮綠豆湯的過程中,將砂糖加入綠豆湯中進行攪拌,綠豆湯的重量會增加。
O
X
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將海水中的水分蒸發後,可以取得海水中的鹽分。
O
X
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
物質溶解於水,成為水溶液後,就無法使溶質和溶劑分離了。
O
X
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一種方式可以從鹽水中分離出鹽?
加入更多水
用篩子過篩
加熱鹽水
加入其他物質
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