
水溶液
Authored by 沈學謙 沈學謙
Science
5th Grade
Used 12+ times

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17 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
活動一:各種水溶液,是用哪些方式去測試或觀察呢?(可複選)
眼睛看
搧風用鼻子聞
嘴巴喝
石蕊試紙
燈泡亮了
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
下列何者屬於物理性質(可複選)
顏色
氣味
酸鹼性
導電性
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪種物質不能在水中溶解?
砂糖
食鹽
沙子
小蘇打粉
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
如何利用其他水溶液去分辨小蘇打水和食鹽水?(不能用喝的)
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
除了石蕊試紙以外,還有什麼東西可以判斷水溶液的酸鹼性?
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
在做石蕊試紙測酸鹼的實驗時,哪些步驟錯誤?
用鑷子夾取石蕊試紙
用棉花棒沾粉塗抹
觀察紅、藍色石蕊試紙顏色變化
每種水溶液都要做紅、藍色才能確認
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
上課時提到的石蕊試紙變色情形3,水溶液可能是什麼性?
酸性
中性
鹼性
以上皆是
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