2011年江苏省镇江市中考化学试卷及答案
镇江市2011年初中毕业、升学统一文化考试化学试题可能用到的根对原子质量:Ar(H)=IAr(C)=12Ar(N)=14Ar(0)=16Ar(Mg)=24Ar(A1)=27Ar(s)=32Ar(Fe)=56Ar(Cu)=64Ar(Zn)=65第1卷(选择题.共40分)一、选择题(本题包括20小题.共40分。每小题只有一个选项符台题意)1下列选项中不属于大气污染物的是A氮气B二氧化c氮氧化物D可吸入颗粒物2下列物质由离子构成的是A.氢气B.氯化钠c水D金刚石3.毕氧气中燃烧时,火焰的颜色为A红色8.绿色C蓝紫色D淡蓝色4铁锈的主要成分是A.FeCO3B.Fe3O4CFeODFe2O35.下判物质...
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