所有的物質加入水中,攪拌後都會溶解、消失。
5年級自然期末複習

Quiz
•
Science
•
1st - 5th Grade
•
Easy
鄭仲宏 鄭仲宏
Used 4+ times
FREE Resource
47 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
yes
no
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
醋、食鹽、小蘇打粉等物質溶於水中所形成的水溶液,都容易導電。
yes
no
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
進行酸鹼中和實驗時,若不小心讓手沾到強鹼水溶液,應立刻用強酸水溶液清洗,以免傷害 皮膚。
yes
no
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
進行水溶液的酸鹼檢驗後,使用過的石蕊試紙可以重複使用,下次再檢測其他的水溶液。
yes
no
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
食鹽水是中性水溶液,所以滴在紅、藍色石蕊試紙上都不會變色。
yes
no
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
胃酸過多的人,可以飲用醋來減緩不適,這是酸和鹼互相作用的應用。
yes
no
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
將紫色高麗菜汁滴入不知名的水溶液中,水溶液呈現偏藍綠色,則可推測水溶液為鹼性。
yes
no
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