2018年浙江省宁波市中考化学试题(word版,含答案)
1.树立和践行“绿水青山就是金山银山”的理念,建设美丽宁波。下列做法不符合该理念的是A.对河道开展清淤保洁工作B.提倡步行或骑单车等出行C.燃煤发电厂安装脱硫装置D.提倡焚烧秸秆增加土壤肥力2在粗盐提纯的实验中,下列操作不规范的是A.称量B.溶解C.过滤D.蒸发8.下图是某化学反应的微观示意图。下列说法中错误的是A.甲是最简单的有机物B.反应前后原子种类没有发生改变C.反应生成的丙和丁的分子个数比为1:2D.一个甲分子是由两个氢分子和一个碳原子构成9.三氧化二碳(化学式C2O3)通常情况下是一种无色无味的气体,可溶于水,与水反应生成草酸,且常温下不稳定,其他的化学性质与一氧化碳相似。下列有关三...
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