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晚宴到處是對科學研究有興趣的人們,大家正在討論海水引進鹽田後,如何將曬乾後的粗鹽純化製成食鹽,以便賣到內陸其他國家來增加人民的收入。灰姑娘聽到後鼓起勇氣向王子借用實驗室,並大方地說出了她的想法: 請
問題詳情
晚宴到處是對科學研究有興趣的人們,大家正在討論海水引進鹽田後,如何將曬乾後的粗鹽純化製成食鹽,以便賣到內陸其他國家來增加人民的收入。灰姑娘聽到後鼓起勇氣向王子借用實驗室,並大方地說出了她的想法:
請根據上述內容,請回答第10-13題:
【題組】
10. 請問步驟一,灰姑娘的目的為何?
(A) 讓食鹽及泥沙都溶於水中,方便通過濾紙
(B) 讓食鹽在水中的溶解度下降
(C) 讓食鹽溶在水中,泥沙則不溶於水
(D) 降低粗鹽的溫度
參考答案
上一篇 :
【題組】5. 下列何者不是長度的單位?(A)毫米 (B)奈米 (C)千米 (D)玉米
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