【題目】醫(yī)藥上常用 75%的酒精溶液作為消毒劑,其中______是溶質(zhì),______是溶劑。而碘酒中______是溶質(zhì),______是溶劑。

【答案】

酒精 酒精

【解析】

75%的酒精溶液,因?yàn)楹兴,所以酒精是溶質(zhì),水是溶劑。而碘酒中含有碘和酒精,固體碘是溶質(zhì),液體酒精是溶劑。

知識(shí)點(diǎn):溶質(zhì)、溶劑定義。

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