2018年高考化学试卷(江苏)(空白卷)
2018年江苏省高考化学试卷一、单项选择题共10小题,每小题2分,共20分1.(2分)CO2是自然界碳循环中的重要物质。下列过程会引起大气中CO2含量上升的是( )A.光合作用B.自然降雨C.化石燃料的燃烧D.碳酸盐的沉积2.(2分)用化学用语表示NH3+HCl═NH4Cl中的相关微粒,其中正确的是( )A.中子数为8的氮原子:NB.HCl的电子式:C.NH3的结构式:D.Cl﹣的结构示意图:3.(2分)下列有关物质性质与用途具有对应关系的是( )A.NaHCO3受热易分解,可用于制胃酸中和剂B.SiO2熔点高硬度大,可用于制光导纤维C.Al2O3是两性氧化物,可用作耐高温材料D.CaO...
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