對於不確定的水溶液,下列哪一位小朋友的觀察方式比較安全呢?

五仁自然

Quiz
•
Biology
•
1st - 5th Grade
•
Medium
陳秋榕 陳秋榕
Used 3+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
距離鼻子一段距離搧風聞聞看
直接喝喝看
加入砂糖再喝喝看
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
做「酸鹼中和」的實驗可以取下列哪一組水溶液?
砂糖水和醋
石灰水和檸檬酸
食鹽水和醋
食鹽水和小蘇打水
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一般生活中,書桌上的檯燈所用的電是多少伏特?
1500伏特
220伏特
110伏特
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果利用石蕊試紙檢測汽水的酸鹼性時,只要利用藍色的石蕊試紙檢查就可以精準判斷酸鹼性。
O
X
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
除了課本介紹的植物─紫色高麗菜、紅鳳菜、紅玫瑰、紫葡萄外,其他的植物都不可以當作檢驗酸鹼的材料。
O
X
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果不小心碰觸到強酸這種有腐蝕性的水溶液時,要馬上用強鹼水溶液來酸鹼中和。
O
X
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在電路的測電實驗中,發現砂糖水不會使LED燈發光,這可以推論所有中性的水溶液都不會導電。
O
X
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