2022年化学同步练习题考试题试卷教案09中考化学专题复习专题五综合测试及答案 .pdf

化学新课标活题测试卷测试时间45 分钟班级姓名得分一、三思而选（每小题只有一个选项是正确的，3 分 10=30 分）1在一定温度下，将少量生石灰放入一定量的饱和石灰水中，搅拌并冷却到原来的温度，下列说法正确的是（）A溶剂质量不变B溶质质量增加C溶液浓度不变D溶解度增大2在 25时，向足量的硫酸铜饱和溶液中入16g 无水硫酸铜粉末，搅拌后静置，最终所得晶体的质量（）A等于 16g B等于 25g C大于 16g 而小于 25g D大于 25g 3某温度时，KNO3饱和溶液的溶质质量分数为20%，则该温度时KNO3的溶解度是（）A20g B25g C30g D40g 4溶液在稀释前后保持不变的是（）A溶质的质量分数B溶质的质量C溶液的质量D溶剂的质量520时，NaC1 的溶解度为36g，向 100gNaC1 饱和溶液中加5 克食盐晶体后，溶液在温度不变的条件下，其溶液的质量分数为（）A25%B26.5%C29.5%D 30%6现有一杯20时的 Ca(OH)2饱和溶液，在下列情况下，溶液中溶质的质量分数不变的是（）A温度不变，往溶液中加蒸馏水B温度不变，往溶液中加入Ca（OH）2固体C温度不变，往溶液吕通入CO2气体D温度由 20升到 50（忽略水的蒸发）7下列是关于粗盐提纯实验的几种说法，其中正确的（）A为加快过滤速度，应用玻璃不断搅拌过滤器中的液体B如果经两次过滤，滤液仍浑浊，则应检查实验装置并分析原因C蒸发滤液时，要用玻璃棒不断搅拌，用酒精灯持续加热，直到蒸干为止D蒸发完毕后，待其冷却，由于食盐无毒，可用手指将食盐转移到纸上称量820时，50g 水中最多溶解2.5gM 物质；30时，80g 水中最多溶解4.0gN 物质，则两种物质的溶解度相比较是（）AMN BM”或“XZ(2)t2(3)Z X 6.（1）(2)=g 7温度温度升高（或降低）食盐溶解加快或减慢晶体颗粒大小食盐颗粒越小，溶解越快（说明，其他合理答案亦可给分）8（1）a=b（2）大于（3）降低温度（4）加入 a物质三、1天然碱的溶解度随温度降低而减小，冬天（10 月至来年4 月），湖水温度降低，天然碱的溶解度变小，大量碱从湖中析出，人们可以从湖底捞取“碱块”。2这两个实验说明：在升高温度或增加溶剂量的情况下，原来的饱和溶液可转化为不饱和溶液。四、从物理角度考虑鉴别的方法有：天平称量法、天平平衡法、密度测定法、浮力在小比较法、导电性能比较法。从化学的角度考虑鉴别的方法有：溶质溶解法（饱和食盐水中不能再溶解食盐了）、AgNO3溶液试验法、蒸发溶剂法。从生物角度考虑鉴别的方法有：味道品尝法、植物失水比较法。1 五、（1）温度，不相等（2）温度，不相等六、1解：设需10%的食盐溶液质量为X 60g 30%+X 10%=（60g+X）15%解得 X=180g 100b A 文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 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ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R42硝酸钾固体：水=1：9 20%硝酸钾溶液：水=1：1 2%硝酸钾溶液：硝酸钾固体=45：4 文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 ZH1K8W10A1R4文档编码:CF9S8Q2Y4P7 HO3W3I1I4V4 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