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【題目】下列關于溶液的說法,正確的是(

A.溶液都是無色透明的

B.面粉與水混合可形成溶液

C.飽和溶液不能再溶解任何物質

D.硝酸銨溶解在水中,溶液溫度會降低

【答案】D

【解析】本題主要考查溶液的性質.有些物質的溶液有顏色,如硫酸銅的水溶液呈藍色,A錯誤;面粉和水混合,不能形成溶液,B錯誤;不能溶解某種溶質的溶液是這種溶質的飽和溶液,但還可溶解其他溶質,C錯誤;硝酸銨溶于水會吸收熱量,溶液溫度會降低,D正確.

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