酸性水溶液會使紅色石蕊試紙變藍色。
108課綱 自然 5上 第三單元 水溶液

Quiz
•
Science
•
5th Grade
•
Medium
Yu Chang
Used 8+ times
FREE Resource
99 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O
X
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
利用眼睛觀察水溶液,就可以辨別出酸鹼性。
O
X
3.
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
4.
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
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在 100 毫升的水中加入 20 公克的食鹽,攪拌後食鹽不見了,此時我們會發現水位沒有變化。
O
X
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果水溶液能讓藍色石蕊試紙變紅,那麼它一定是酸性水溶液。
O
X
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將 LED 燈與電線、電池連接,再接上醋,打開開關後,會發現 LED 燈亮了,得知醋具有導電性質。
O
X
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