
酸鹼度測量與性質
Interactive Video
•
Education
•
3rd Grade
•
Medium
黃麗蘭 黃麗蘭
Used 1+ times
FREE Resource
4 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
影片中,科學家準備了五杯看起來一樣的液體,但它們的酸鹼程度不同。我們可以用什麼來測量液體的酸鹼程度?
溫度計
pH計
尺子
放大鏡
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果一種液體的pH值是7,那它代表什麼?
它是酸性的
它是鹼性的
它是中性的
它有毒
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
影片中,哪一種液體是酸性的?
純水
小蘇打粉水溶液
醋酸
氫氧化鈉水溶液
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
科學家在實驗中加入「酸鹼指示劑」是為了什麼?
讓液體變甜
讓液體發光
讓液體產生不同顏色變化
讓液體結冰
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