江苏省连云港市2016年中考化学真题试题(含答案)
连云港市2016年中考化学试题可能用到的相对原子质量:H-1C-12N-14O-16S-32一、选择题(本题包括12小题,每小题2分,共24分,每小题只有一个选项符合题意)1.今年4月22是第47个世界地球日,主题是“节约集约利用资源,倡导绿色简约生活”。下列做法不应该提倡的是()A.少开私家车多步行B.对废旧金属进行回收利用C.经常使用一次性筷子、塑料袋等D.开发太阳能、风能等,减少对化石能源的依赖2.下图所示变化中,属于化学变化的是()3.下列化学用语表示正确的是()A.氧元素:OB.氮气分子:2NC.钠离子:+N1aD.高锰酸钾的化学式:K2MnO44.下列有关物质用途的说法不正确的是(...
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