江苏省泰州市2015年中考化学真题试题(含答案)
江苏省泰州市2015年中考化学试卷第1-10题,每小题只有一个选项符合题意。每小题1分,共10分。1.家庭里发生的下列化学变化中,属于物理性质的是()A.铁锅生锈B.大米霉变C.煤气燃烧D.豆腐切块2.普通食醋中3%—5%的醋酸。下列属于醋酸化学性质的是()A.常温下为无色液体B.能溶于水C.易挥发D.能使紫色石蕊试液变红3.下列化学用语书写正确的是()A.水银AgB.铵根离子NH3+C.2个硫原子2SD.过氧化氢分子(HO)24.用水壶好开水时,壶盖被顶开。对这一现象的解释中,正确的是()A.水分子同时向上运动,撞开壶盖B.水分解成氢气和氧气C.水气化时,分子间空隙变大,体积膨胀D.水分子分...
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