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2015中考化学冲刺专题六 图象题

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中考化学专题 2015中考化学冲刺专题六 初中化学中考专题 中考化学专题六 2015中考化学 中考化学试题 2015中考化学试题
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To study and implement the spirit of the two sessions is the primary political task of the educators in 2018. Through the study of the spirit of the two sessions, I have a profound awareness that the key to the prosperity and development of the country lies in the Party, and the key to the all-round rejuvenation of the nation lies in education. The two sessions were held on March 3, and the two sessions have attracted much attention. The Congress of democracy, unity, harmony, and pragmatism has determined the work of economic and social development in 2018, which is of great significance for further promoting scientific development, promoting social harmony, and continuously opening up a new situation for the cause of socialism with Chinese characteristics. At present, the most important political task before us is to concentrate on the two Will spirit study well, carry out well. Reform is still the focus of this year's “two sessions.“ Our party should continue to deepen the reform in an all-round way and unswervingly go on, and promote the modernization of the national governance system and governance ability, which requires the Party to improve its governing ability and efficiency and raise its work level. The anti-corruption issue is also the focus of more efforts, because in the past year, our country has made great progress on the road of fighting corruption and promoting integrity, and has cracked down on many corrupt officials. To those who do not wholeheartedly for the welfare of the people of the government personnel heavy blow and warning. And it is precisely because of the vigorous administration of the party and the state that some public funds eat and drink. Corruption and other phenomena have mostly disappeared, so this year's deep reform 化化 学学 第七部分 专题复习 To study and implement the spirit of the two sessions is the primary political task of the educators in 2018. Through the study of the spirit of the two sessions, I have a profound awareness that the key to the prosperity and development of the country lies in the Party, and the key to the all-round rejuvenation of the nation lies in education. The two sessions were held on March 3, and the two sessions have attracted much attention. The Congress of democracy, unity, harmony, and pragmatism has determined the work of economic and social development in 2018, which is of great significance for further promoting scientific development, promoting social harmony, and continuously opening up a new situation for the cause of socialism with Chinese characteristics. At present, the most important political task before us is to concentrate on the two Will spirit study well, carry out well. Reform is still the focus of this year's “two sessions.“ Our party should continue to deepen the reform in an all-round way and unswervingly go on, and promote the modernization of the national governance system and governance ability, which requires the Party to improve its governing ability and efficiency and raise its work level. The anti-corruption issue is also the focus of more efforts, because in the past year, our country has made great progress on the road of fighting corruption and promoting integrity, and has cracked down on many corrupt officials. To those who do not wholeheartedly for the welfare of the people of the government personnel heavy blow and warning. And it is precisely because of the vigorous administration of the party and the state that some public funds eat and drink. Corruption and other phenomena have mostly disappeared, so this year's deep reform 专题六 图象题 [知识整理] 从题型上来说,图象题在中考中常出现在选择题、填空题、计算题里;从内容上来说,出 现在质量守恒、金属与酸盐的反应、溶液的性质、酸碱盐之间的反应、微粒间的变化等。 给出的题目一般有坐标、图表、分子原子模型等,知识面广,知识的联系强。 2.解图象题的一般方法:分析已知条件,读懂题目中有限的文字信息,对整个函数图象进行 多角度认真分析,分析图象的重要点位置,包括起点、转折点、交点、终点。 [例题分析] [例1]: 等质量相同质量分数的稀盐酸分别与足量的锌和铁反应,生成氢气的质量和反应时间 的关系正确的是( ) 【解析】:因为“等质量相同质量分数的稀盐酸”,则含有氢元素的质量相等,故“分别与足 量的锌和铁反应”,则生成的氢气质量相等,可排除选项A、B. To study and implement the spirit of the two sessions is the primary political task of the educators in 2018. Through the study of the spirit of the two sessions, I have a profound awareness that the key to the prosperity and development of the country lies in the Party, and the key to the all-round rejuvenation of the nation lies in education. The two sessions were held on March 3, and the two sessions have attracted much attention. The Congress of democracy, unity, harmony, and pragmatism has determined the work of economic and social development in 2018, which is of great significance for further promoting scientific development, promoting social harmony, and continuously opening up a new situation for the cause of socialism with Chinese characteristics. At present, the most important political task before us is to concentrate on the two Will spirit study well, carry out well. Reform is still the focus of this year's “two sessions.“ Our party should continue to deepen the reform in an all-round way and unswervingly go on, and promote the modernization of the national governance system and governance ability, which requires the Party to improve its governing ability and efficiency and raise its work level. The anti-corruption issue is also the focus of more efforts, because in the past year, our country has made great progress on the road of fighting corruption and promoting integrity, and has cracked down on many corrupt officials. To those who do not wholeheartedly for the welfare of the people of the government personnel heavy blow and warning. And it is precisely because of the vigorous administration of the party and the state that some public funds eat and drink. Corruption and other phenomena have mostly disappeared, so this year's deep reform 专题六 图象题 根据金属活动性强弱关系:锌>铁,可判断锌与稀盐酸反应快,铁与稀盐酸反应慢,即金 属与锌的反应时间最短最先完成、铁完成的反应消耗时间长.对于图象又可排除选项D. 故选:C. 【答案】:C 例2.(2009广东)下列图象对应叙述关系合理的是( ) 【思路点拨】A图中往呈碱性的NaOH溶液中不断加水,碱性会越来越弱,但不管加多少 水,溶液仍然呈碱性,所以A不正确;B图久置的NaOH溶液会含有Na2CO3,所以加入的盐 酸先NaOH与反应,再与碳酸钠反应,图像符合分析,所以B正确;C图中Fe和Mg的相对原 子质量是Fe﹥ Mg,所以往稀盐酸中加入等质量的两种金属,Mg生成的氢气质量更多,所 以C不正确;D图中往饱和的KNO3溶液中加入KNO3晶体,晶体不再溶解,所以溶质的质量 分数不变,故D不正确。 To study and implement the spirit of the two sessions is the primary political task of the educators in 2018. Through the study of the spirit of the two sessions, I have a profound awareness that the key to the prosperity and development of the country lies in the Party, and the key to the all-round rejuvenation of the nation lies in education. The two sessions were held on March 3, and the two sessions have attracted much attention. The Congress of democracy, unity, harmony, and pragmatism has determined the work of economic and social development in 2018, which is of great significance for further promoting scientific development, promoting social harmony, and continuously opening up a new situation for the cause of socialism with Chinese characteristics. At present, the most important political task before us is to concentrate on the two Will spirit study well, carry out well. Reform is still the focus of this year's “two sessions.“ Our party should continue to deepen the reform in an all-round way and unswervingly go on, and promote the modernization of the national governance system and governance ability, which requires the Party to improve its governing ability and efficiency and raise its work level. The anti-corruption issue is also the focus of more efforts, because in the past year, our country has made great progress on the road of fighting corruption and promoting integrity, and has cracked down on many corrupt officials. To those who do not wholeheartedly for the welfare of the people of the government personnel heavy blow and warning. And it is precisely because of the vigorous administration of the party and the state that some public funds eat and drink. Corruption and other phenomena have mostly disappeared, so this year's deep reform 专题六 图象题 [例3]: 用“ ”表示氢原子,“ ”表示氧原子,则右图所示的化学反应方程式为: 。 [思路点拨]本题关键是看懂反应物是什么,生成物又是什么。 [解答] 强化训练: A组 1.(2014年广东)下列图像能正确反映对应的实验操作的是( ) A.向一定量的饱和石灰水中加入氧化钙 B.加热一定量高锰酸钾固体产生氧气 C.用一定量的双氧水制取氧气 D.向一定量的硝酸银溶液中插入铜丝 D To study and implement the spirit of the two sessions is the primary political task of the educators in 2018. Through the study of the spirit of the two sessions, I have a profound awareness that the key to the prosperity and development of the country lies in the Party, and the key to the all-round rejuvenation of the nation lies in education. The two sessions were held on March 3, and the two sessions have attracted much attention. The Congress of democracy, unity, harmony, and pragmatism has determined the work of economic and social development in 2018, which is of great significance for further promoting scientific development, promoting social harmony, and continuously opening up a new situation for the cause of socialism with Chinese characteristics. At present, the most important political task before us is to concentrate on the two Will spirit study well, carry out well. Reform is still the focus of this year's “two sessions.“ Our party should continue to deepen the reform in an all-round way and unswervingly go on, and promote the modernization of the national governance system and governance ability, which requires the Party to improve its governing ability and efficiency and raise its work level. The anti-corruption issue is also the focus of more efforts, because in the past year, our country has made great progress on the road of fighting corruption and promoting integrity, and has cracked down on many corrupt officials. To those who do not wholeheartedly for the welfare of the people of the government personnel heavy blow and warning. And it is precisely because of the vigorous administration of the party and the state that some public funds eat and drink. Corruption and other phenomena have mostly disappeared, so this year's deep reform 专题六 图象题 2、(2013湛江)(有2个选项)下列图象正确的是( ) A.将水通电电解一段时间 B.在一定条件下,氧气的溶解度随温度的变化 C.向氢氧化钡溶液中加入过量的稀硫酸 D.向pH=13的氢氧化钠溶液中加水 3.(2012广东)下列选项的操作或反应所对应的曲线图正确的是( ) A.①将饱和石灰水升温 B.②等体积、等质量分数的双氧水溶液分解 C.③一定量的锌粉与稀盐酸反应 D.④相同质量分数的稀盐酸滴入等体积不同质量分数的KOH溶液 AC D To study and implement the spirit of the two sessions is the primary political task of the educators in 2018. Through the study of the spirit of the two sessions, I have a profound awareness that the key to the prosperity and development of the country lies in the Party, and the key to the all-round rejuvenation of the nation lies in education. The two sessions were held on March 3, and the two sessions have attracted much attention. The Congress of democracy, unity, harmony, and pragmatism has determined the work of economic and social development in 2018, which is of great significance for further promoting scientific development, promoting social harmony, and continuously opening up a new situation for the cause of socialism with Chinese characteristics. At present, the most important political task before us is to concentrate on the two Will spirit study well, carry out well. Reform is still the focus of this year's “two sessions.“ Our party should continue to deepen the reform in an all-round way and unswervingly go on, and promote the modernization of the national governance system and governance ability, which requires the Party to improve its governing ability and efficiency and raise its work level. The anti-corruption issue is also the focus of more efforts, because in the past year, our country has made great progress on the road of fighting corruption and promoting integrity, and has cracked down on many corrupt officials. To those who do not wholeheartedly for the welfare of the people of the government personnel heavy blow and warning. And it is precisely because of the vigorous administration of the party and the state that some public funds eat and drink. Corruption and other phenomena have mostly disappeared, so this year's deep reform 专题六 图象题 4.(2013揭阳)如右图是X、Y两种固体物质的溶解度曲线,下列说法不正确的是( ) A.将20℃的饱和溶液X降温到10℃,溶液X仍然是饱和溶液 B.a点表示30℃时,X的溶解度为60g C.b点表示20℃时X、Y的溶解度相等 D.同质量的X、Y饱和溶液从30℃降到10℃时,析出的Y 大于X 5.(2013.盐城市)下列四个图像中,能正确表示对应变化关系的是 ( ) D D To study and implement the spirit of the two sessions is the primary political task of the educators in 2018. Through the study of the spirit of the two sessions, I have a profound awareness that the key to the prosperity and development of the country lies in the Party, and the key to the all-round rejuvenation of the nation lies in education. The two sessions were held on March 3, and the two sessions have attracted much attention. The Congress of democracy, unity, harmony, and pragmatism has determined the work of economic and social development in 2018, which is of great significance for further promoting scientific development, promoting social harmony, and continuously opening up a new situation for the cause of socialism with Chinese characteristics. At present, the most important political task before us is to concentrate on the two Will spirit study well, carry out well. Reform is still the focus of this year's “two sessions.“ Our party should continue to deepen the reform in an all-round way and unswervingly go on, and promote the modernization of the national governance system and governance ability, which requires the Party to improve its governing ability and efficiency and raise its work level. The anti-corruption issue is also the focus of more efforts, because in the past year, our country has made great progress on the road of fighting corruption and promoting integrity, and has cracked down on many corrupt officials. To those who do not wholeheartedly for the welfare of the people of the government personnel heavy blow and warning. And it is precisely because of the vigorous administration of the party and the state that some public funds eat and drink. Corruption and other phenomena have mostly disappeared, so this year's deep reform 专题六 图象题 6. (2013揭阳)下列图像中有关量的变化趋势与对应叙述关系正确的是( ) A.分别向质量相等的铁片和锌片中滴加稀硫酸 B.加热一定质量的高锰酸钾 C.某温度下,向一定质量的饱和硝酸钾中不断加入硝酸钾晶体 D.向一定质量的NaOH溶液中滴加水 7.(2012烟台)下图为某反应的微观示意图,其中不同的球代表不同元素的原子。下 列说法正确的是( ) A. 该反应属于置换反应 B. 1个X分子中有3个原子 C. 反应物分子的个数比为1:3 D. 黑球表示的元素化合价在反应前后未改变 B A To study and implement the spirit of the two sessions is the primary political task of the educators in 2018. Through the study of the spirit of the two sessions, I have a profound awareness that the key to the prosperity and development of the country lies in the Party, and the key to the all-round rejuvenation of the nation lies in education. The two sessions were held on March 3, and the two sessions have attracted much attention. The Congress of democracy, unity, harmony, and pragmatism has determined the work of economic and social development in 2018, which is of great significance for further promoting scientific development, promoting social harmony, and continuously opening up a new situation for the cause of socialism with Chinese characteristics. At present, the most important political task before us is to concentrate on the two Will spirit stud
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