2008年山东省临沂市中考化学试题及答案
2008年临沂市初中学生考试与高中招生考试试题化学部分第Ⅰ卷选择题下列各小题每题只有一个正确答案,将正确答案的的序号涂在答题卡上。13.下列变化属于物理变化的是A.钢铁生锈B.高粱酿酒C.蜡烛受热熔化D.用“84”消毒液消毒14.下列选项中的两种物质,组成元素种类不相同的是A.金刚石、石墨B.水、双氧水C.氧气、臭氧D.冰、干冰15.蔬菜、水果对人体可以起到调节新陈代谢、预防疾病和维持身体健康的作用,主要是因为蔬菜、水果中富含人体需要的A.油脂B.维生素C.蛋白质D.淀粉l6.潜水艇里需要配备氧气的发生装置,以保证长时间潜航。下列反应都能产生氧气,其中最适宜在潜水艇里供给氧气的反应是A.高锰酸...
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