2019年辽宁省锦州市中考化学试题(空白卷)
2019年辽宁省锦州市中考化学试卷一、选择题(本大题共10小题,1~8小题每题1分,9、10小题每题2分,共12分.每小题只有一个选项符合题意)1.(1分)中华传统文化博大精深,下列词句中蕴含化学变化的是( )A.木已成舟B.只要功夫深,铁杵磨成针C.百炼成钢D.日照香炉生紫烟2.(1分)下列实验操作不正确的是( )A.测定溶液的pHB.取液体药品C.仪器连接D.检查装置气密性3.(1分)对下列事实或做法解释正确的是( )A.门把手表面镀铬可防锈﹣﹣改变了金属的内部结构B.洗涤剂洗油污﹣洗涤剂能溶解油污C.钢的性能优于生铁﹣钢的含碳量比生铁高D.氧气能被液化贮存于钢瓶中﹣分子间有间隔且间...
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