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水溶液的奇妙世界

Authored by 賴 擁憲

Science

5th Grade

水溶液的奇妙世界
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16 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

溶解的過程中,哪一個因素不會影響溶解速度?

攪拌

溫度

溶質的顆粒大小

溶液的顏色

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪一種物質在水中溶解後會形成酸性溶液?

食鹽

白醋

小蘇打

砂糖

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

如果一杯水中加入了過多的鹽,導致鹽無法再溶解,這種溶液稱為什麼?

不飽和溶液

飽和溶液

濃縮溶液

稀釋溶液

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪一種溶液在日常生活中常用來消毒清潔?

醋酸溶液

砂糖溶液

鹽水溶液

酒精溶液

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

酸性水溶液的pH值通常是指?

大於7

等於7

小於7

等於0

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪一種物質在水中溶解後會形成鹼性溶液?

白醋

澄清石灰水

食鹽

砂糖

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

在水中加入哪一種物質最容易提高水的導電性?

砂糖

食鹽

酒精

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