(完整版)2016年河北省中考化学试题及答案解析,推荐文档.pdf

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1、2016 年河北省中考化学试卷一、选择题（共14 小题，每小题2 分，满分28 分）1如图所示仪器中可以用酒精灯直接加热的是（）ABCD2下列物质的利用对人体健康无害的是（）A用甲醛浸泡海产品保鲜B用霉变的花生制作花生糖C用工业染料制作彩色馒头D用硝酸铵固体和水制作冷敷袋3下列有关水的叙述正确的是（）A煮沸可以使硬水软化B地球表面淡水资源非常丰富C水可以溶解任何物质D明矾净水的作用是杀菌消毒4“气体烙铁”是一种气体X 为燃料的加热仪器，加热温度可达1300，反应的化学方程式为 2X+13O28CO2+10H2O，燃料 X 的化学式为（）AC3H8BC4H10CCH3OH D C2H5OH 5下

2、列化学用语与所表达的意义对应错误的是（）AMg 金属镁B镁原子CO氧化镁中镁元素为+2 价DN21 个单分子由2个氮原子构成6下列验证Zn、Fe、Ag 三种金属活动性顺序的实验方案中（“”表示未进行金属与盐溶液之间的实验），不能达到实验目的是（）A B C D ZnSO4溶液Fe Ag Fe FeSO4溶液Zn Ag Zn AgNO3溶液Fe Fe AA BB CC DD 7如图所示的四个图象，分别对应四种过程，其中不正确的是（）A 浓硫酸长久露置在空气中B 一氧化碳还原一定质量的氧化铁C 过氧化氢溶液在二氧化锰作用下分解D 等质量碳酸钙分别与等体积等质量分数的稀盐酸（足量）反应8 2022

3、年北京、张家口将联合举办冬奥会，为办成绿色奥运会，下列措施不可行的是（）A发展公共交通，提倡绿色出行B增加使用太阳能、核能等新能源C改进燃煤锅炉烟囱，将废气排到高空D改进燃煤技术，减少SO2与粉尘排放9下列生产、生活中的做法正确的是（）A戴耳罩防止噪声的产生B用工业污水直接灌溉农田C油锅着火立即用水浇灭D给门合页的轴上加润滑剂减小摩擦10如图所示过程中国发生了化学变化的是（）A用高分子分离膜淡化海水文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC

4、4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E

5、1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC

6、4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E

7、1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC

8、4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E

9、1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC4H4W5L6P3 ZU4H9B3Z1E1文档编码:CE7F8V1D9Z8 HC

10、4H4W5L6P3 ZU4H9B3Z1E1B氖管发光C电炉丝通电后发红D将喷洒石蕊溶液的纸花放入CO2中11下列事实能够说明分子在不断运动的是（）A公路上大雾弥漫B花棚里香气扑鼻C湖面上柳絮飘扬D氧气被压缩进钢瓶12利用下列器材能完成的实验是（）A用 pH 计测定溶液的pH B用体温计测最沸水的温度C用交流电源进行电解水实验D用刻度尺直接测量分子的直径13下列分类正确的是（）A陶瓷、石墨、食盐水溶液都是导体B空气、蒸馏水、不锈钢都属于混合物C扳手、钳子、剪铁皮的剪子都是省力杠杆D台秤、天平、弹簧测力计都是测量质量的工具14如图所示实验中得出的结果不正确的是（）文档编码:CS4B2Y4E9E10

11、 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E1

12、0 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E

13、10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9

14、E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E

15、9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4

16、E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y

17、4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3A甲实验：火柴梗的a 点最先炭化，说明火焰的外焰温度更高B乙实验：毛皮摩擦过的橡胶棒使验电器的金属箔片张开

18、，说明橡胶棒带负电C丙实验：冷却后析出晶体，说明硝酸钾的溶解度随温度降低而减小D丁实验：滚摆从上向下运动，速度增大，说明重力势能减小，动能增大二、解答题（共6 小题，满分0 分）15白磷燃烧的化学方程式为（2）对比 中白磷露出水面前、后的现象，说明燃烧需要的条件是（3）中瓶内水面上升的原因是16现有维生素、金刚石和碳酸氢钠，其中可用来切割玻璃的是，常用作发酵粉的是，蔬菜和水果中含有的营养物质是（2）菜刀使用后可以采取（答一条即可）的措施防锈文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C

19、6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7

20、C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI

21、7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 Z

22、I7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6

23、ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6

24、 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B

25、6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3（3）将一小块布料点燃，观察到燃烧比较缓慢，有特殊气味，趁热可以拉成丝，则该布料是（选填“纯棉”、“蚕丝”或“涤纶”）17甲实验中仪器a的名称是；停止加热时，要先将导管移出水面，再熄灭酒精灯，原因是（2）乙实验验证了硫酸铵的物理

26、性质：（答一条即可）；化学性质：（3）配制 50g10%的氯化钠溶液，量取水的操作如图丙所示，其他操作都正确，所配溶液中氯化钠的质量分数（选填“”、“=”或“”）10%18（2016 河北）A J表示初中化学常见的物质，其中B 可用在铅酸蓄电池中、G 是最清洁燃料、H 是蓝色沉淀，各物质间相互转化关系如图所示请回答下列问题：（1）G 的化学式为（2）E 的一种用途是（3）反应 的基本反应类型为（4）反应 的化学方程式为19（2016 河北）蔗糖是生活中常见的一种物质，某兴趣小组对“蔗糖的组成”进行了探究【作出猜想】小组同学认为绿色植物通过光合作用将二氧化碳和水转化成葡萄糖和氧气，葡萄糖进一步转

27、化为蔗糖，故蔗糖中一定含有碳、氢元素，可能含有氧元素【实验探究】方案一：小明将蔗糖在氧气中燃烧，检验生成物中有水和二氧化碳，得出结论“蔗糖是由碳、氢、氧三种元素组成的”文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文

28、档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3

29、文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D

30、3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10

31、D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E1

32、0D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E

33、10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9

34、E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3小刚认为该方案不合理，只能说明蔗糖中一定含有碳、氢元素，不能确定是否含有氧元素，理由是方案二：小刚用如图所示装置进行实验，实验开始先通入一会儿氮气，然后关闭弹簧夹，点燃酒精灯给蔗糖加强热（1）观察到出现，说明蔗糖中含有氢元素和氧元素（2）观察到硬质玻璃管中残留有黑色固体，他猜测该黑色固体是单质碳，并继续利用如图所示装置，另选试剂进行了验证单质碳的实验实验过程和现象如表：实验过程实验现象，点燃酒精 硬纸玻璃管中的黑色固体剧烈燃烧，发出白光；写出上述实验过程中一个反应的化学方程式：【实验结论】蔗糖是由碳

35、、氢、氧三种元素组成的【拓展交流】（1）方案二中，先通入一会儿氮气的原因是（2）查阅资料得知蔗糖的化学式为C12H22O11，小红发现：蔗糖分子中氢原子数目是氧原子数目的倍，但是，蔗糖中氧元素质量却是氢元素质量的8 倍导致出现这种情况的原因是20（2016 河北）某化学兴趣小组在实验室用碳酸钠溶液和熟石灰制取少量氢氧化钠溶液他们的实验过程和相关数据如图所示请计算：（1）实验中生成沉淀的质量为g；（2）所得氢氧化钠溶液中溶质的质量分数文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E

36、10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9

37、E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O

38、9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6

39、O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C

40、6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7

41、C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI

42、7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 Z

43、I7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6

44、ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6

45、 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B

46、6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7

47、B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B

48、7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10

49、B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D3文档编码:CS4B2Y4E9E10 HM7X2L10B7B6 ZI7C6O9E10D32016 年河北省中考化学试卷参考答案与试题解析一、选择题（共14 小题，每小题2 分，满分28 分）1如图所示仪器中可以用酒精灯直接加热的是（）ABCD【考点】用于加热的仪器【分析】实验室中可直接加热的仪器有蒸发皿、试管、坩埚，垫石棉网可加热的有烧杯、烧瓶、锥形瓶等，不能加热的有集气瓶、广口瓶、细口瓶等【

50、解答】解：A、烧杯不能用酒精灯直接加热，需要垫石棉网，故A 错误；B、锥性瓶不能用酒精灯直接加热，需要垫石棉网，故B 错误；C、蒸发皿可直接加热，故C 正确；D、集气瓶用于收集和储存少量气体，不能加热，故D 错误；故选 C2下列物质的利用对人体健康无害的是（）A用甲醛浸泡海产品保鲜B用霉变的花生制作花生糖C用工业染料制作彩色馒头D用硝酸铵固体和水制作冷敷袋【考点】亚硝酸钠、甲醛等化学品的性质与人体健康；溶解时的吸热或放热现象【分析】A根据甲醛有毒进行解答；B根据霉变的花生含有对人体有害物质进行分析；C根据染色剂会对人体造成危害进行分析；D根据硝酸铵溶于水吸热来分析【解答】解：A甲醛有毒，所以不