甘肃省兰州市2015年中考化学真题试题(含答案)
34Se硒78.962015年兰州市初中毕业生学业考试化学(A)注意事项:1.全卷共100分,考试时间100分钟。2.考生必须将姓名、准考证号、考场、座位号等个人信息填(涂)写在答题卡上。3.考生务必将答案直接填(涂)写在答题卡的相应位置上。4.可能用到的相对原子质量:H-1C-12O-16Cl-35.5Na-23一、选择题:本大题25小题,1~12小题每题1分,13~25小题每题2分,共38分。在每小题给出的四个选项中,只有一项是符合题目要求的。1.下列属于物理变化的是A.白磷燃烧B.冰雪融化C.花生霉变D.消毒杀菌2.下列属于化学性质的是A.挥发性B.溶解性C.稳定性D.导电性3.空气污染...
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