江苏省南京市2015年中考化学真题试题(含答案)
南京市2015年初中毕业生学业考试化学(含答案)一.选择题:(本题共15小题,每小题只有一个选项符合题意。每小题2分,共30分)1.下列物质不人体所需营养素的是(A)A.尼古丁B.水C.蛋白质D.维生素2.下列物质在氧气中燃烧,火星四射,有黑色固体生成的是(C)A.硫B.木炭C.铁丝D.红磷3.下列变化中属于化学变化的是(B)A.汽油挥发B.水的电解C.瓷碗破碎D.干冰升华4.下列图示实验操作中,正确的是(A)5.下列粒子结构示意图中,表示原子的是(B)6.下列物质中,属于有机合成材料的是(A)A.塑料B.棉花C.羊毛D.蚕丝7.一些食物的近似PH如下:其中显碱性的是(D)A.苹果汁:2.9~...
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