【題目】下列關(guān)于溶液的說法中不正確的是(

A.溶液都是無色透明的 B.溶液一定是混合物

C.溶液都是均一、穩(wěn)定的 D.溶液都是由兩種或兩種以上物質(zhì)組成的

【答案】A

【解析】

一種或幾種物質(zhì)分散到另一種物質(zhì)中,形成均一的,穩(wěn)定的混合物,叫做溶液。根據(jù)溶液的定義可知,BCD是正確的。溶液具有均一、穩(wěn)定、透明的性質(zhì),但透明不一定無色,例如:硫酸銅溶液為藍色。

知識點:溶液的定義及性質(zhì)。

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