2017年福建省中考化学真题及答案
2017年福建省中考化学真题及答案相对原子质量:H1N14O16S32Fe56Cu64第I卷本卷共10小题,每小题3分,共30分。在每小题给出的四个选项中,只有一个选项符合题目要求。1.下列可供人呼吸的气体是A.氧气B.氢气C.氮气D.二氧化碳2.人体缺乏某种元素会导致骨质疏松症,该元素是A.铁B.碘C.钙D.锌3.中药砒霜的主要成分为三氧化二砷(As2O3),可用于治疗肿瘤。其中砷元素的化合价为A.-3B.+3C.-2D.+24.下列人体体液中,酸性最强的是A.唾液(pH约6.6~7.1)B.胃液(pH约0.8~1.5)C.胆汁(pH约6.8~7.4)D.血液(pH约7.35~7.45)5....
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