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1、#QQABJQQUogCgAgAAAQhCAwHYCAMQkACAAKoOhFAMMAAAiAFABAA=#河北省金太阳2024届高三2月联考化学试题#QQABJQQUogCgAgAAAQhCAwHYCAMQkACAAKoOhFAMMAAAiAFABAA=#QQABJQQUogCgAgAAAQhCAwHYCAMQkACAAKoOhFAMMAAAiAFABAA=#QQABJQQUogCgAgAAAQhCAwHYCAMQkACAAKoOhFAMMAAAiAFABAA=#QQABJQQUogCgAgAAAQhCAwHYCAMQkACAAKoOhFAMMAAAiAFABAA=#QQABJQQUogCg
2、AgAAAQhCAwHYCAMQkACAAKoOhFAMMAAAiAFABAA=#?高三化学?参考答案?第?页?共?页?高三年级?年?月考试化学参考答案?分?分?与?发生反应生成?和?导致发生副反应?和?使副产物?增多?产率降低?分?水浴加热?分?取少量?中的溶液?先滴加过量稀硝酸?然后滴加?溶液?若有白色沉淀生成?则证明含有?分?分?当滴加最后半滴?溶液?锥形瓶中溶液颜色由蓝色变为无色?且半分钟内溶液不再恢复原来的颜色?分?分?偏大?分?分?除去油污?分?不产生气体污染物?硫酸用量小?或无须加热?操作等较为安全?对设备的腐蚀性小等合理答案?分?或氧化铜?氢氧化铜?等合理答案?分?或?分?蒸发浓缩?冷却结晶?分?分?三角锥形?分?分?小于?分?小于?分?减小?分?分?分?分?分?逆向移动?分?#QQABJQQUogCgAgAAAQhCAwHYCAMQkACAAKoOhFAMMAAAiAFABAA=#?高三化学?参考答案?第?页?共?页?二氯甲烷?分?碳氟键?羧基?分?取代反应?分?分?分?分?或?分?分?#QQABJQQUogCgAgAAAQhCAwHYCAMQkACAAKoOhFAMMAAAiAFABAA=#