阿齊想要將食鹽水溶液變回食鹽顆粒,可以把食鹽水溶液倒入面積較大的容器裡,靜置風乾。
五上期末珍珠奶茶爭霸戰

Quiz
•
Fun
•
5th Grade
•
Medium
成功國小林文宏 成功國小林文宏
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43 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O
X
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
小萱喝檸檬汁時,發現飲料太酸了,於是應用酸鹼中和的原理,在飲料中多加一些水和糖,來調和酸度。
O
X
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
對於不知名的水溶液,不可以用口嘗,最好是用指示劑或石蕊試紙來檢驗水溶液的酸鹼性。
O
X
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
無論是哪一種水溶液,都會使紅色或藍色石蕊試紙的其中一種試紙變色。
O
X
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
食鹽水的導電性佳,由此判斷所有中性水溶液,都是容易導電的水溶液。
O
X
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
小甯把球踢出去、把球踩在腳下,這兩種動作都是對球用力,所以球受力後的變化也都會一樣。
O
X
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
對皮球施力時,我們可以根據皮球被壓扁的程度判斷用力的大小,皮球形狀越扁代表用力越大。
O
X
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