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：
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
無參考答案
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