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108課綱 5上 自然 三、四 複習

Authored by Yu Chang

Science

5th Grade

Used 8+ times

108課綱 5上 自然 三、四 複習
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84 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

要從食鹽水溶液中取回食鹽,我們可以用過濾的方式取得。

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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