【題目】請你個舉一個實(shí)例,說明下列有關(guān)溶液的敘述是錯誤的.

(1)溶液一定是無色的

實(shí)例:_____________溶液不是無色的;

(2)均一、穩(wěn)定的液體都是溶液

實(shí)例:_________是液體,但不是溶液;

(3)溶液中的溶質(zhì)一定是固體

實(shí)例:__________可作溶質(zhì),但不是固體

【答案】(1)硫酸銅(高錳酸鉀、氯化亞鐵等);(2)水(酒精等);(3)氯化氫(氨氣等)

【解析】

試題分析:溶液的基本特征是均一性、穩(wěn)定性、混合物,只要符合這三個特征的即屬于溶液。(1)溶液有的有顏色、有的無色,如硫酸銅溶液、氯化銅溶液、硝酸銅溶液都是藍(lán)色的,高錳酸鉀溶液是紫紅色的等;(2)均一、穩(wěn)定的液體可能是純凈物,不屬于溶液,如水、酒精等都是純凈物;(3)溶質(zhì)可以是固體、液體和氣體,如氯化氫氣體溶于水,氨氣溶于水等形成的都是溶液。

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