將下列哪一組水溶液混合後,滴入紫色高麗菜汁,紫色高麗菜汁可能呈現紫色系?

翰林五下自然L1-L2

Quiz
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Science
•
5th Grade
•
Medium
黃瓈葶 undefined
Used 14+ times
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30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小蘇打水、糖水
石灰水、小蘇打水
汽水、小蘇打水
食鹽水、鹽酸
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一組水溶液混合後,可能會使紅色和藍色石蕊試紙都不變色?
汽水+檸檬汁
石灰水+白醋
石灰水+氨水
白醋+鹽酸
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一年中不同日期的晚上7時,在相同地點面對同一方向所觀察到的星星會不太一樣,是什麼原因造成的?
地球公轉
星星自轉
星星繞地球轉動
地球繞星星轉動
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
關於星星的敘述,哪一個正確?
所有星星的亮度都一樣
所有星星的大小都相同
恆星會繞著行星轉動
顏色和表面溫度有關
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
將星座盤從3月9日晚上7時開始,分別旋轉到同一天的晚上9時和11時,此時星座盤盤面上的星座會如何移動?
由北向南
由南向北
由西向東
由東向西
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
利用LED燈檢測水溶液的導電情形,下列何者的檢測結果和白醋水溶液明顯不同?
糖水
檸檬汁
小蘇打水
石灰水
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將紫色高麗菜汁分別滴入小蘇打水、汽水、食鹽水、純水、糖水五杯水溶液中時,會有幾杯呈現紫色系?
5杯
4杯
3杯
2杯
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