2016年广西桂林市中考化学试卷
2016年广西桂林市中考化学试卷一、选择题(共20小题,每小题2分,共40分,每小题只有一个选项符合题意)1.(2分)下列做法不利于保护自然环境的是( )A.治理工地扬尘B.使用无磷洗涤剂C.垃圾分类处理D.大量使用农药2.(2分)规范操作是实验顺利进行和人身安全的保证,下列操作正确的是( )A.点燃酒精灯B.过滤C.向试管里加粉末D.量取液体3.(2分)下列过程只涉及物理变化的是( )A.干冰人工降雨B.植物光合作用C.木材燃烧D.熟石灰改良酸性土壤4.(2分)下列仪器可以直接加热的是( )A.量筒B.试管C.烧杯D.集气瓶5.(2分)下列有关NaCl的叙述,错误的是( )A.不溶...
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