2011年四川省成都市中考化学试题及答案
成都市2011年高中阶段教育学校统一招生考试化学试卷姓名_______________班级_________________成绩__________________可能用到的相对原子质量:H—1C—12O—16P—31一:选择题(本题包括12个小题,每小题3分,共36分。每题只有一个选项符合题意)题号123456789101112答案1.今年春天,不同寻常的低温导致北极上空差点形成臭氧洞。臭氧(O3)属于A.氧气B.空气污染物C.有机物D.稀有气体2.蜂蜜总含糖量达65%-75%,还含有丰富的酶类,水溶性维生素及钙、铁、锌等。则A.蜂蜜的主要成分是糖类B.酶是机体吸入氧气时的载体C.人体需要大...
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