【单选题】【消耗次数：1】
吸收操作是依据（ ）不同，对气体混合物进行分离的。
①
溶解度
②
密度
③
挥发度
④
液体对溶质的吸着
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用填料吸收塔分离某气体混合物，以下说法正确的是（ ）。
①
填料因子相同，气液两相流动参数增大，液泛气速减小
②
气液两相流动参数相同，填料因子增大，液泛气速增大
③
气液两相流动参数相同，填料因子减小，液泛气速减小
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随着温度和压力的变化，气体溶解度的变化为（ ）。
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温度升高，压力降低，溶解度增大
②
温度升高，压力升高，溶解度减小
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温度降低，压力降低，溶解度减小
④
温度降低，压力升高，溶解度增大
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下列关于溶解度的叙述错误的是
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溶解度检查主要适用于难溶性药物
②
溶解度检查法分为转蓝法和浆法
③
溶解度检查法规定的温度为37℃
④
溶解度与体内的生物利用度直接相关
【多选题】
溶解度和溶度积之间可进行换算必须满足
①
难溶电解质溶于水部分必须完全电离
②
难溶电解质的离子必须发生水解
③
难溶电解质的离子需形成配合物
④
离子在溶液中不发生反
⑤
无条件限制
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