在汽水的成分中,哪一個是溶劑?
國小自然5上第03單元水溶液

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Medium
Johnson Liu
Used 145+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
糖
香料
水
全部的成分都是溶劑
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一種物品或食品不屬於水溶液?
生理食鹽水
醬油
沙拉油
眼藥水
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
把砂糖加入紅茶中,砂糖顆粒很快就看不見了,請問砂糖到哪裡去了呢?
蒸發了
融化了
凝固了
溶解了
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
食鹽在水中完全溶解後,食鹽水溶液的重量與原本的水相比,會有什麼變化?
變重
變輕
先變輕再變重
重量沒有改變
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
食鹽在水中完全溶解後,盛裝食鹽水溶液的容器水位有什麼變化?
水位下降
水位上升
水位先上升,再下降
水位沒有改變
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
為什麼將食鹽水放在通風的地方一段時間後,就又可以看見食鹽顆粒了?
水分蒸發了
水分凝固了
食鹽無法溶解在水中
食鹽吸收了水分
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一項是生活中,將溶解在水中的物質取出的例子?
拿出放在水族箱裡的造景小石頭
用湯杓撈出湯裡的雜質
綠豆湯放進冷凍庫變綠豆冰
熬煮甘蔗汁可以取得紅糖
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