2013年山东省烟台市中考化学试题及答案
2013年山东省烟台市中考化学试题一、选择题(本题包括10个小题,每小题1分,共10分.每小题只有一个选项符合题意)1.“人间仙境,最美烟台”。下列与烟台特色有关的变化中,属于化学变化的是( ) A.莱阳梨榨汁B.蓬莱海市蜃楼C.张裕葡萄酿酒D.招远沙里淘金2.食品安全问题与人类生活息息相关.下列做法不会危害人体健康的是( ) A.牛奶中加入适量乳酸钙补充钙元素 B.香肠中加入过量亚硝酸钠防腐 C.用硫酸铜溶液泡粽叶,使粽叶变得鲜绿 D.大量添加面粉增白剂使面粉更白3.水是生命之源,下列有关的说法错误的是( ) A.水通过三态变化,实现了自身的天然循环 B.用肥皂水可以区分硬水与软水 C...
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