【題目】下列關(guān)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(zhì)

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(zhì)．有些物質(zhì)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(zhì)的溶液是這種溶質(zhì)的飽和溶液，但還可溶解其他溶質(zhì)，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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