如皋市外国语学校2014~2015学年度九年级第二次模拟考试化学答题纸一、Ⅰ卷(本题共10小题,每小题2分,共20分。每小题只有一个选项符合题意)题号11121314151617181920答案二、II卷(本题共5小题,共40分)21.(1)(2)(3)(4)22.(1)(2)(3)(4)(5)(6)(7)23.【问题1】(1)(2)(3)【问题2】(1)(2)24.(一)(1)(2)(二)(1)(2)(3)①②③25.(1)(3)(4)(2)2014~2015学年度如皋市外国语学校第二次中考模拟测试九年级化学答案一、Ⅰ卷(本题共10小题,每小题2分,共20分。每小题只有一个选项符合题意)题号12345678910学校班级姓名考试号_________________装订线内不要答题················装··········································订·········································线·················学校班级姓名考试号_________________装订线内不要答题················装··········································订·········································线·················氢元素氧元素钠元素图乙答案CDBADBBCAD二、II卷(本题共5小题,共40分)11.(1)NaCl(2)C2H5OH(3)6三(4)912.(1)导热(2)铝(3)Fe2O3+3CO====2Fe+3CO2(4)大(5)+6(6)CuSO4等(7)CO213.【问题1】(1)氯化钙等(2)溶液变红色(3)CO2+2NaOH==Na2CO3+H2O【问题2】(1)Ca(OH)2过滤玻璃棒(或漏斗或烧杯)(2)降温结晶或冷却结晶(冷却热饱和溶液),仅表述为“结晶”不得分14.(一)(1)H2O(2)AG(二)(1)AgNO3也能与MnCl2反应,使测定结果偏大(2)CaCO3+2HCl==CaCl2+H2O+CO2↑(3)①Mg+2HCl==MgCl2+H2↑置换反应②不可以,残余清液不可能完全转移到镁条中,会使测定结果偏小③装置内气体尚未冷至室温15.(1)氧元素阴影部分占据2/5(1分)(2)58.5kg(2分)(3)不饱和(1分)(3)4.2%(2分)说明:1、二卷合理答案均可;2、11~14题化学方程式每个2分,其他每空1分。高温