國小自然3上4-2
Flashcard
•
Education
•
1st - 5th Grade
•
Hard
林秀璟 林秀璟
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10 questions
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1.
FLASHCARD QUESTION
Front
下列哪一種水溶液無法只用眼睛看和鼻子聞來觀察,就能正確辨識出來?
Back
食鹽水溶液
2.
FLASHCARD QUESTION
Front
將紫色高麗菜汁加入下列哪一種水溶液後,會變成偏藍綠色?
Back
小蘇打水
3.
FLASHCARD QUESTION
Front
下列哪一種材料不適合用來製成判斷水溶液酸鹼性的工具?
Back
白蘿蔔
4.
FLASHCARD QUESTION
Front
加入紫色高麗菜汁可以使下列哪一種水溶液變藍綠色?
Back
小蘇打水
5.
FLASHCARD QUESTION
Front
下列有關製作紫色高麗菜汁的方法中,哪一個步驟是不正確的?
Back
將切成細絲的植物放入冰庫冷凍,加快取出植物汁液
6.
FLASHCARD QUESTION
Front
有一杯水溶液加入紫色高麗菜汁後,變成偏藍綠色,下列哪一杯水溶液的酸鹼性與它相同?
Back
小蘇打水
7.
FLASHCARD QUESTION
Front
把甲、乙、丙三種水溶液,分別倒入紫色高麗菜汁,其中兩種水溶液倒入紫色高麗菜汁後會變偏紅色,另一種水溶液倒入紫色高麗菜汁後不會變色。這三種水溶液的組合可能是下列哪一組?
Back
檸檬酸水、醋、砂糖水
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