化学九上答案11

G21自主学习指导课程G21G21G21G21G21G21G21G21G21G21G21G21G22G21G21G21G21G21G21G21G21G21G21G21G21G22G23G24G25G26G27G28G29G22G28G2AG2BG21G21化化化化化化化化化化化化化化学学学学学学学学学学学学学学G21G21参考答案化学G21九年级全一册G22绪言G21化学使世界变得更加绚丽多彩G22开放性作业G23G22G23G2CG21G24G23G2DG21G25G23G2CG21G29G23G2BG21G2FG23G2A第一单元G21走进化学世界课题G22G21物质的变化和性质G21G22开放性作业G23G22G23G2BG21G24G23G2DG21G25G23G2DG21G29G23G2CG21G2FG23G2BG21G27G23G2BG2AG2AG2CG2D课题G24G21化学是一门以实验为基础的科学G22开放性作业G23G22G23G2AG21G24G23G2DG21G25G23G2BG21G29G23G2BG21G2FG23G2AG21G27G23G26G22G27G21G21G26G24G27水蒸气G21G26G25G27G23G21G21G21二氧化碳不支持燃烧G21G33G23G26G22G27氧气G21G26G24G27二氧化碳G22拓展性学习G23G26G22G27液化气质量差G21液化气沸点高G23在冬季难以汽化G21G26G24G27有关石油冶炼的资料G24液化气使用说明G24关于能源的科普读物G24化工G25化学手册G24烹饪用燃料的有关资料等G21也可通过互联网查阅或走访有关专家等G21G26G25G27液化气中部分成分沸点较高G21赵亮家在阳台上做饭G23冬季气温低G23这些成分不能自动汽化G23使液化气不能使用G21G26G29G27将导管中的液体滴在金属片上G23微微加热G23小液滴将全部蒸发G21另将导管中的液体滴在金属片上G23用火点燃G23它将燃尽G21G26G2FG27将液化气钢瓶及灶台移到有取暖设备的厨房内做饭G21课题G25G21走进化学实验室G22开放性作业G23G22G23G2BG21G24G23G2CG21G25G23G2BG21G29G23G2BG21G2FG23G2DG27G23G26G22G27量筒G21酒精灯G21胶头滴管G21漏斗G21G26G24G27G4BG21G2CG21G2AG21G3DG21G2BG21G52G21G2DG26G25G27不能G21量筒的精确度是G37G30G22G3BG3CG22拓展性学习G23酒精灯忘记盖灯帽G23由于酒精挥发G23使灯芯中水分过多G23不易点燃G21第一单元检测题一G21选择题G21G24G21G21G21G21G21G21G21G21G21G21G21G21G21自主学习指导课程G21G21G21G21G21G21G21G21G21G21G21G22G23G24G25G26G27G28G29G22G28G2AG2BG21G21化化化化化化化化化化化化化化学学学学学学学学学学学学学学G21G21G22G23G2BG21G24G23G2BG21G25G23G2BG21G29G23G2DG21G2FG23G2AG21G27G23G2DG21G33G23G2C二G21填空题G26G23外焰温度最高G21加热时应该用酒精灯的外焰加热G28G23是否有其他物质生成G24举例略G21G22G37G23G26G22G27氯气是一种黄绿色G25有刺激性气味G26或比空气重的气体G27G21G26G24G27有毒G23能与水发生化学反应G22G22G23G21G42G21G22G41G21G23G38G25G43G21G24G3AG21G25G43G21G26G39三G21简答题G22G24G23G26G22G27药液流入胶帽造成胶帽腐蚀G21G26G24G27药液腐蚀标签G21G26G25G27酒精洒出G23引发火灾G21G26G29G27可能会污染原试剂瓶中的药品四G21实验探究题G22G25G23G26G22G27水沸腾G23在玻璃片上凝成水珠G26G24G27大理石用锤子敲成小块G21大理石与盐酸的反应G26G25G27前者发生的是物理变化G23后者发生的是化学变化第二单元G21我们周围的空气课题G22G21空气G21G21G22开放性作业G23G22G23G2DG21G24G23G2AG21G25G23G2CG21G29G23G2BG21G2FG23G2AG21G27G23G2AG21G33G23G2AG26G23G26G22G27使空气中氧气反应完全G21G26G24G27难G21不活泼G21G26G25G27红磷量不足G21装置气密性不好G21G26G29G27不能G23碳的燃烧产物为气体G23铁丝在所处条件下不易与瓶中氧气反应G28G23G26G22G27用注射器抽取袋内气体G23通入到少量的澄清石灰水中G23观察现象G21G26G24G27澄清的石灰水变浑浊G21G26G25G27G21无毒G21G22不与物质反应G21G23廉价易得G22G37G23G26G22G27产生大量白烟G21G26G24G27氧气已经耗尽G21G26G25G27烧杯中的水流入集气瓶中G23约占集气瓶容积的G22G3FG2FG21G26G29G27准确G25环保课题G24G21氧气G22开放性作业G23G22G23G2BG21G24G23G2BG21G25G23G2AG21G29G23G2DG21G2FG23G2DG21G27G23G2DG21G33G23G2CG21G26G23G2DG21G28G23G2BG21G22G37G23G2AG23氧气G21G2BG23碳G21G2CG23二氧化碳G21G2DG23氮气G22G22G23G26G22G27排水法G21G26G24G27氧气G21G26G25G27含二氧化碳气体G21G26G29G27竹子中氧气比空气中少G23二氧化碳含量比空气中多课题G25G21制取氧气G22开放性作业G23G22G23G2BG21G24G23G2BG21G25G23G2BG21G29G23G2BG21G2FG23G2AG21G27G23G2CG21G33G23G2AG26G23氯化钾G25二氧化锰G21锰酸钾G23二氧化锰G21二氧化锰G21催化剂G21生成物G28G23G26G22G27酒精灯G23G2A装置中的试管口应略向下倾斜G21自主学习指导课程G21G21G21G21G21G21G21G21G21G21G21G21G25G21G21G21G21G21G21G21G21G21G21G21G21G22G23G24G25G26G27G28G29G22G28G2AG2BG21G21化化化化化化化化化化化化化化学学学学学学学学学学学学学学G21G21G26G24G27G2AG23试管口没有放棉花过氧化氢二氧化G21G22G22G22G22锰水G48氧气G23分解反应第二单元检测题一G21选择题G22G23G2CG21G24G23G2AG21G25G23G2CG21G29G23G2BG21G2FG23G2AG21G27G23G2AG21G33G23G2DG21G26G23G2DG21G28G23G2CG21G22G37G23G2B二G21填空题G22G22G23G26G22G27稀有气体G21G26G24G27四氧化三铁G21G26G25G27五氧化二磷G21G26G29G27氧气G21G26G2FG27二氧化碳G21G26G27G27二氧化硫G22G24G23G26G22G27G2AG23过氧化氢G21G2BG23氧气G21G2CG23二氧化锰G21G2DG23水G21G4BG23硫G21G4CG23二氧化硫G26G24G27过氧化氢二氧化G21G22G22G22G22锰水G48氧气G21G21G21G21G21分解反应过氧化氢加G21G22G22热水G48氧气分解反应硫G48氧气点G21G22G22燃二氧化硫化合反应三G21实验题G22G25G23G26G22G27固体G23加热G21G26G24G27长颈漏斗没有插入液面下G23过氧化氢和二氧化锰G21G26G25G27G38G22G29G23G26G22G27G2AG26或G2BG27G23G2CG26或G2DG27G23不溶于水G26或密度比空气的大G27G23高锰酸钾G21G22G22G2C氯酸钾G48二氧化锰G48氧气G26或氯酸钾二氧化锰G21G22G22G22G22G2C氯化钾G48氧气G23或过氧化氢二氧化G21G22G22G22G22锰水G48氧气G27G26G24G27合理即可G21G26G25G27防止冷凝的水倒流导致试管炸裂G21G21G26G29G27G2BG21G26G2FG27G2CG21G26G27G27装置的气密性不好G21G26G33G27当锥形瓶中不再产生气泡时G23再加入少量过氧化氢溶液G23反复数次G23如果每次都有大量气泡产生G23则表明二氧化锰的化学性质没有改变G21G21G26G26G27G21反应物都是固体G23G22反应需要加热G24G21反应物中有液体G23G22反应不需要加热G24气体不溶于水G23气体密度比空气大G23气体密度比空气小G21第三单元G21物质构成的奥秘课题G22G21分子和原子G21G21G22开放性作业G23G22G23G2BG21G24G23G2BG21G25G23G2AG21G29G23G2CG21G2FG23G2CG21G27G23G2CG21G33G23G2DG21G26G23G2CG21G28G23G2AG21G22G37G23原子G21二氧化碳分子G21碳原子和氧原子G21一个碳原子G21两个氧原子G21相同G21不同G21G22G22G23原子G21原子G22G24G23G21化学变化中G23分子可以再分为原子G23原子不能再分G21G22原子是化学变化中的最小粒子G21G23一个过氧化氢分子是由两个氧原子和两个氢原子构成G21G24在化学反应前后G23原子的种类和数目不变G26其他合理答案也可G27课题G24G21原子的结构G21G21G22开放性作业G23G22G23G2CG21G24G23G2DG21G25G23G2AG21G29G23G2DG21G2FG23G2CG21G27G23G2CG21G33G23G2CG21G26G23G2AG21G28G23G22G29G29G21G28G24G21G22G37G23G26G22G27分子G25原子G25离子G21G29G21G21G21G21G21G21G21G21G21G21G21G21G21自主学习指导课程G21G21G21G21G21G21G21G21G21G21G21G22G23G24G25G26G27G28G29G22G28G2AG2BG21G21化化化化化化化化化化化化化化学学学学学学学学学学学学学学G21G21G21G26G24G27原子核G25质子G25阳离子G21G26G25G27电子G25阴离子G21G26G29G27中子G25分子G25原子G21G26G2FG27电子G21G26G27G27质子G25电子G21G26G33G27原子G21G26G26G27质子G25中子G26原子核G27G22G22G23G26G22G27G22G37G21G26G24G27G33G21得到G21G26G25G27G3AG21G41G22拓展性学习G23G21从道尔顿原子学说对人类认识微观世界的推进发展所做出的成就与尚对原子的认识不足两个方面来分析G21G22原子是微小的G23但不是不可分割的实心球体G23它由居于原子中心显正电性的原子核和核外带负电的电子构成G21课题G25G21元素G22开放性作业G23G22G23G2CG21G24G23G2CG21G25G23G2DG21G29G23G2CG21G2FG23G26G22G27氯元素G21一个氯原子G26G24G27G4FG38G21G24G2EG4EG21G26G25G27G22G2FG21G2AG40G21G26G29G27G2AG54G21G26G2FG27它们的电子层数相同G21G27G23G26G22G27G24G25G21G24G21G26G24G27金属G21G2FG37G30G28G29G22拓展性学习G23G26G22G27例如G23氧元素和硫元素的性质相似G23原子最外层均有G27个电子G23元素都能显G36G24价G21G26G24G27同一周期的元素的原子电子层数相同G23同一族的元素的原子最外层电子数相同G21G26G25G27例如G23可以把钠元素G25镁元素G25铝元素等元素分为金属元素一族G23因为它们的原子最外层电子数一般少于G29个G23易失去最外层电子G23元素通常显正价G21第三单元检测题一G21选择题G22G23G2AG21G24G23G2AG21G25G23G2BG21G29G23G2DG21G2FG23G2DG21G27G23G2CG21G33G23G2CG21G26G23G2DG21G28G23G2AG21G22G37G23G2BG21G22G22G23G2DG21G22G24G23G2A二G21填空题G22G25G23G26G22G27元素G21G26G24G27离子G21G26G25G27分子G21G26G29G27原子G21G26G2FG27分子G21原子G21离子G22G29G23G22G22G21G22G24G21G22G22G22G2FG23G26G22G27带正电荷的原子属于阳离子G21G26G24G27最外层为稳定结构的粒子不一定是中性原子G26答案合理即可G27G22G27G23G26G22G27G24G26G30G37G28G21G26G24G27G2CG2DG21G26G25G27最外层电子数G21G26G29G27G4FG38G24G2EG22G33G23G26G22G27G4FG38G48G21G4FG42G21G32G24G36G21G46G3EG24G48G21G2EG24G36G21G2EG21G26G24G27G2BG21G2AG2DG21G4BG4CG21G26G25G27硫G21得G21阴G21G26G29G27G4CG22G26G23G26G22G27G2AG40G24G32G25G21G48G25G21G26G24G27G24G21得G21G2CG40G36第四单元G21自然界的水课题G22G21爱护水资源G21G21G22开放性作业G23G22G23G2DG21G24G23G2AG21G25G23G2BG21G29G23G2DG2FG23G26G22G27工业废水未经处理任意排放G24不合理地使用农药和化肥G24生活污水随意排放等G26答案合理即可G27G21自主学习指导课程G21G21G21G21G21G21G21G21G21G21G21G21G2FG21G21G21G21G21G21G21G21G21G21G21G21G22G23G24G25G26G27G28G29G22G28G2AG2BG21G21化化化化化化化化化化化化化化学学学学学学学学学学学学学学G21G21G26G24G27用洗菜的水浇花G24用洗衣服的水冲马桶G24随手关闭水龙头等G26答案合理即可G27G22拓展性学习G23G22G23赤潮是海洋遭受污染后所产生的一种灾害性海洋现象G23由于有机物和营养盐过多引起海洋中某些微小的浮游藻类G25原生动物或细菌暴发性繁殖或聚集G23引起水体变色G24而水华是由于生活及工农业生产中含有大量氮G25磷的废污水进入水体后G23蓝藻G26严格意义上应称为蓝细菌G27G25绿藻G25硅藻等藻类成为水体中的优势种群G23大量繁殖后使水体呈现蓝色或绿色的一种现象G26也有部分的水华现象是由浮游动物G2FG2FG2F腰鞭毛虫引起的G27G21等等G21G24G23不同的地方现象不同G24若有G23可能是某些工业废水G25农业废水或生活废水中含有的较多的氮G25磷等植物营养成分G23大量排入水中G24大量富集后G23而导致水生植物大量繁殖G21等等G21课题G24G21水的净化G22开放性作业G23G22G23G2AG21G24G23G2CG21G25G23G2DG21G29G23G2AG21G2FG23G2AG21G27G23G2BG21G33G23G26G22G27G22G23G26G24G27活性炭G23蒸馏G21G26G23G26G22G27吸附G21沉降G21G26G24G27G21G2CG25G2DG25G4BG25G52G21G22引流G21三层滤纸处G21G23滤纸破损G25液面高于滤纸边缘G25承接滤液的烧杯不干净等G21G26G25G27吸附G21G26G29G27G21防止液体暴沸G21G22软水G21取样品少量于试管中加几滴肥皂水G23搅拌G23若泡沫较多则为软水课题G25G21水的组成G21G21G22开放性作业G23G22G23G2DG21G24G23G2CG21G25G23G2CG21G29G23G2BG21G2FG23G2AG21G27G23G2AG2DG21G2AG25G2DG21G2BG25G2CG21G2DG21G33G23G2AG26G23G26G22G27水做原料来源广G21G26G24G27燃烧放出的热量多G21G26G25G27产物是水G23不污染环境G21课题G29G21化学式与化合价G22开放性作业G23G22G23G2AG21G24G23G2CG21G25G23G2DG21G29G23G2CG21G2FG23G2CG21G27G23G2DG21G33G23G2AG40G24G32G25G23G22G37G24G23G28G4AG26G26G23G26G22G27G4FG32G24G21G26G24G27G46G3EG21G26G25G27G24G3DG21G26G29G27G25G2CG32G24G28G23G26G22G27G33G24G4AG22G22G21G26G24G27G22G29G23G25G44第四单元检测题一G21选择题G22G23G2CG21G24G23G2DG21G25G23G2BG21G29G23G2DG21G2FG23G2DG21G27G23G2CG21G33G23G2BG21G26G23G2DG21G28G23G2DG21G22G37G23G2B二G21填空题G22G22G23G21G24G3DG21G22G32G24G21G23G2CG38G48G24G32G21G24G25G4FG24G21G25G56G45G24G32G2FG21G26G32G23G2AG40G21G27G4FG24G21G28G3DG24G32G22G24G23G26G22G27G23G21G26G24G27煮沸G21过滤G22G25G23G21G25G28G29G21G22G23G26G21G24G27G21G21G28G21G25G29G21G23G26G22G29G23G26G22G27烧杯G21引流G21G26G24G27漏斗的下端没有紧贴烧杯的内壁G21不溶性G21G26G25G27滤纸可能G21G27G21G21G21G21G21G21G21G21G21G21G21G21G21自主学习指导课程G21G21G21G21G21G21G21G21G21G21G21G22G23G24G25G26G27G28G29G22G28G2AG2BG21G21化化化化化化化化化化化化化化学学学学学学学学学学学学学学G21G21破损G24滤液液面高于滤纸边缘G24仪器不干净G26任选一个就可以G27三G21简答题G22G2FG23G26G22G27过滤G21消毒G21蒸馏G21G26G24G27G2AG26或水的沸腾G27G23氢原子和氧原子G26或原子G27G21氧气G21G26G25G27G2AG21G2DG22G27G23G26G22G27泥沙等不溶性杂质G21G26G24G27吸附水中的不溶性杂质G23使之沉降G21G26G25G27水中的不溶性杂质G21G26G29G27水中色素和有异味的杂质G21G26G2FG27不是G21蒸馏四G21计算题G22G33G23G26G22G27G27G4AG22G37G4AG25G21G26G24G27G2EG26或硫G27G22G26G23G26G22G27G22G22G4AG29G37G21G26G24G27G22G26G3E第五单元G21化学方程式课题G22G21质量守恒定律G21G21G22开放性作业G23G22G23G2BG21G24G23G2DG21G25G23G2CG21G29G23G2CG21G2FG23G2BG21G27G23G2AG21G33G23G2BG21G26G23G2BG21G28G23G24G4AG25G21G22G37G23G2CG21G22G22G23G2CG21G22G24G23G28G23G27G21G22G29G23G28课题G24G21如何正确书写化学方程式G22开放性作业G23G22G23G26G22G27客观事实G21G26G24G27质量守恒定律G21G24G23G2CG21G25G23G2DG21G29G23G2BG21G2FG23G2BG21G27G23G2CG21G33G23G2AG21G26G23G2BG21G28G23G3DG24G48G2CG40G24点G29G29G29燃G24G3DG2CG40G21化合反应G21G22G37G23G24G2CG32G48G32G24G2CG58G25G32G29G29G29G29G29G24G2CG32G24G21化合反应G21G22G22G23G2DG21G22G24G23G2CG22G25G23G21G29G2AG40G48G25G32G29G29G29G24G24G2AG40G24G32G25G21G22G2CG24G3DG2FG32G3DG48G25G32G24点G29G29G29燃G24G2CG32G24G48G25G3DG24G32G23G24G2AG40G48G27G3DG2CG29G29G29G40G24G2AG40G2CG40G25G48G25G3DG24G2BG21G24G2CG48G24G2CG57G32高G29G29G29温G24G2CG57G48G2CG32G24G2BG22G29G23G24G2AG40G48G4CG42G24G32G25高G29G29G29温G24G4CG42G48G2AG40G24G32G25G22G2FG23G2CG32G24G21G24G2CG32G48G24G4FG32催化G29G29G29G29剂G24G2CG32G24G48G4FG24G22G27G23G26G22G27G3DG24G32G24G21G3DG24G21G26G24G27G21G24G3DG24G32G24G46G56G32G29G29G29G24G24G3DG24G32G48G32G24G2BG21G23G2EG48G32G24点G29G29G29燃G2EG32G24课题G25G21利用化学方程式的简单计算G22开放性作业G23G22G23G2CG21G24G23G2DG21G25G23G2BG21G29G23G2BG21G2FG23G26G22G27G22G4AG22G4AG24G21G26G24G27氧气质量不足G23因而G26G3E硫不能完全反应G21G26G25G27G22G27G3EG21G22G27G3EG21G26G29G27略G21G27G23G3DG24G4AG37G30G26G3EG21G32G24G4AG27G30G29G3EG21G33G23G22G26G21G22G26G21G26G23G2DG21G28G23G2AG21G22G37G23G25G30G29G3E第五单元检测题G22G23G2AG21G24G23G2BG21G25G23G2CG21G29G23G2AG21G2FG23G2BG21G27G23G2DG21G33G23G2CG21G26G23G2AG21G28G23G4FG38G2CG40G22G37G23G26G22G27G29G21G26G24G27G22G4AG22G21G26G25G27化学反应前后原子的种类G25数目G25质量没发生变化G21G26G29G27不是G21自主学习指导课程G21G21G21G21G21G21G21G21G21G21G21G21G33G21G21G21G21G21G21G21G21G21G21G21G21G22G23G24G25G26G27G28G29G22G28G2AG2BG21G21化化化化化化化化化化化化化化学学学学学学学学学学学学学学G21G21G22G22G23G26G22G27G29G45G48G2FG32G24点G29G29G29燃G24G45G24G32G2FG21G26G24G27G24G53G2CG40G32G25G46G56G32G24G29G29G29G2CG24G53G2CG40G48G25G32G24G2BG21G26G25G27G2EG48G32G24点G29G29G29燃G2EG32G24G22G24G23G26G22G27G24G3DG24G48G32G24点G29G29G29燃G24G3DG24G32G21G26G24G27G24G53G46G56G32G29G29G29G29G2CG53G24G46G56G32G29G48G46G56G32G24G48G32G24G2BG26G25G27G24G46G3EG48G32G24点G29G29G29燃G24G46G3EG32G21G26G29G27G25G4CG42G48G24G32G24点G29G29G29燃G4CG42G25G32G29G22G25G23G26G22G27G3DG24G21G2CG32G24G21G26G24G27G24G3DG24G32通G29G29G29电G24G3DG24G2BG48G32G24G2BG21分解反应G22G29G23G22G37G23G26G59G21G22G2FG23G26G22G27G37G23G28G27G21G26G24G27G24G23G29G2FG3EG21G22G27G23G26G22G27G24G23G24G21G26G24G27G2FG3E第六单元G21碳和碳的氧化物课题G22G21金刚石G25石墨和G2CG27G37G21G21G22开放性作业G23G22G23G2DG21G24G23G2CG21G25G23G2BG21G29G23G2BG21G2FG23G2BG21G27G23消失G23上升G23木炭具有吸附性G23吸附气体G23瓶内压强减小G33G23G26G22G27G2CG48G24G2CG57G32高G29G29G29温G24G2CG57G48G2CG32G24G2BG21G2CG25G2CG57G21澄清的石灰水变浑浊G21G26G24G27G3DG24G32G22拓展性学习G23分别将这些物质放在充满氧气的密闭容器中燃烧G23都生成唯一的产物二氧化碳G23且通过计算知生成的二氧化碳中的碳元素的质量等于参加反应的被检验物质的质量G21课题G24G21二氧化碳制取的研究G22开放性作业G23G22G23G2DG21G24G23G2CG21G25G23G2AG21G29G23G2DG21G2FG23G2CG21G27G23G2AG21G33G23G2CG26G23G26G22G27集气瓶G21G2BG21防止水倒流G23炸裂试管G26G24G27G2AG22G2CG38G2CG32G25G48G24G3DG2CG29G29G29G40G2CG38G2CG40G24G48G3DG24G32G48G2CG32G24G2BG21G2DG21G2CG2DG21装药品前检查装置的气密性G26G25G27将气体通入到澄清的石灰水中G23若澄清的石灰水变浑浊G23则证明该气体为二氧化碳G2CG32G24G48G2CG38G26G32G3DG27G29G29G29G24G3DG24G32G48G2CG38G2CG32G25G21G26G29G27G24G22G21G23G21G28G23G34方案设计G35G22浓盐酸易挥发G23使制出的G2CG32G24不纯G34实验与结论G35G26G22G27G21产生气泡G23速率适中G21G22可用于实验室制取G2CG32G24G26G24G27G2CG38G2CG32G25G48G24G3DG2CG29G29G29G40G2CG38G2CG40G24G48G3DG24G32G48G2CG32G24G2BG34拓展与迁移G35G26G22G27制出的气体要纯净G26其他合理答案即可G27G26G24G27能够迅速产生大量G2CG32G24G22拓展性学习G23G24G4FG3DG29G3DG2CG32G25G48G3DG24G2EG32G29G29G29G29G26G4FG3DG29G27G24G2EG32G29G48G24G3DG24G32G48G24G2CG32G24G2B课题G25G21二氧化碳和一氧化碳G22开放性作业G23G22G23G2DG21G24G23G2AG21G25G23G2BG21G29G23G2DG21G2FG23G2AG21G27G23G2AG21G33G23G2CG21G26G23G2CG21G28G23G2DG22G37G23G26G22G27气密性G21G26G24G27大理石G26或石灰石G27和稀盐酸G21G26G25G27澄清石灰水G21有白色沉淀生成G21G2CG32G24G48G2CG38G26G32G3DG27G24G4DG2CG38G2CG32G25G30G48G3DG24G32G21G26G29G27紫色石蕊溶液G21石蕊溶液由紫色变成红色G21G21G26G21G21G21G21G21G21G21G21G21G21G21G21G21自主学习指导课程G21G21G21G21G21G21G21G21G21G21G21G22G23G24G25G26G27G28G29G22G28G2AG2BG21G21化化化化化化化化化化化化化化学学学学学学学学学学学学学学G21G21G2CG32G24G48G3DG24G32G4DG3DG24G2CG32G25G21G26G2FG27低处蜡烛先熄灭G23高处蜡烛后熄灭G21密度比空气大G21不能燃烧G23不支持燃烧G22G22G23G26G22G27水G21G26G24G27纸花由紫变红G21G26G25G27G24G21密度比空气大G22G24G23G26G22G27G2CG32G48G2CG57G32加G29G29G29热G2CG57G48G2CG32G24G21G2CG32G26G24G27澄清的石灰水变浑浊G21防止有毒气体G2CG32逸散到空气中污染环境G26G25G27G38G41G21G26G29G27为排尽装置中的空气G23反应前已通入一段时间的G2CG32G22拓展性学习G23二氧化碳无毒G23不能供给呼吸G23若二氧化碳含量过高G23人会因缺氧引起窒息以至于死亡G21一氧化碳有剧毒G23与血红蛋白结合能力太强G23影响生命活动G21第六单元检测题G22G23G2AG21G24G23G2AG21G25G23G2CG21G29G23G2DG21G2FG23G2CG21G27G23G2CG21G33G23G2CG21G26G23G2CG21G28G23G2CG21G22G37G23G2CG38G2CG32G25G21G2CG32G24G21G2CG21G2CG38G32G21G2CG21G3DG24G32G21G22G22G23G2CG32G24G48G2CG38G26G32G3DG27G29G29G29G24G2CG38G2CG32G25G30G48G3DG24G32G21黑色粉末变红色G21G22G24G23G26G22G27G3DG24G2CG32G25G21G26G24G27G24G2CG48G32G24点G29G29G29燃G24G2CG32G21G2CG32G24G48G2CG38G26G32G3DG27G29G29G24G2CG38G2CG32G25G30G48G3DG24G32G21冬天用煤火取暖时G23一定要装烟囱G23并且注意通风G23防止一氧化碳中毒G24G21G26G25G27金刚石G25石墨G23单质之间组成元素虽然相同G23原子排列方式不同G24物质的结构决定物质的性质G23物质的性质又决定物质的用途G24金刚石用于切割玻璃G23石墨用于电极G21G22G25G23G26G22G27G3A为向上排气法G23G41为向下排空气法G23G42为排水法G21G26G24G27G39G21G3A或G42G21G26G25G27石灰石或大理石G21稀盐酸G21G2CG38G2CG32G25G48G24G3DG2CG29G29G29G40G2CG38G2CG40G24G48G3DG24G32G48G2CG32G24G2BG38G21G3AG21G26G29G27G21G2AG21G2BG21G22G2AG21G23G2BG22G29G23G26G22G27G26G37G44G21G26G24G27G29G30G29G3E第七单元G21燃料及其利用课题G22G21燃烧和灭火G21G21G22开放性作业G23G22G23G2BG21G24G23G2CG21G25G23G2AG21G29G23G2AG21G2FG23G2CG21G27G23G2DG21G33G23G2BG21G26G23G2CG21G28G23G2BG21G22G37G23湿抹布G21锅盖G21水G21干粉灭火器G21二氧化碳灭火器G22G22G23G26G22G27没有达到红磷的着火点G21G26G24G27没有与G32G24G26或空气G27接触G21G26G25G27向水中的白磷通G32G24G21G26G29G27温度达到可燃物的着火点课题G24G21燃料的合理利用与开发G22开放性作业G23G22G23G2BG21G24G23G2CG21G25G23G2CG21G29G23G2DG21G2FG23G2DG21G27G23G2AG21G33G23G2CG21G26G23G2CG21G28G23G2CG22G37G23G26G22G27G2CG3DG29G48G24G32G24点G29G29G29燃G2CG32G24G48G24G3DG24G32G21G26G24G27G2CG25G2DG21G26G25G27不燃烧也不支持燃烧G25液氮汽化使温度降低或氮气能隔绝氧气等G21G22G22G23G26G22G27甲烷G21G2CG3DG29G48G24G32G24点G29G29G29燃G2CG32G24G48G24G3DG24G32G21G26G24G27略G21自主学习指导课程G21G21G21G21G21G21G21G21G21G21G21G21G28G21G21G21G21G21G21G21G21G21G21G21G21G22G23G24G25G26G27G28G29G22G28G2AG2BG21G21化化化化化化化化化化化化化化学学学学学学学学学学学学学学G21G21G22G24G23水G21澄清石灰水G21石灰水变浑浊G21G3DG24G32G21否G21上述实验无法证明秸秆中是否含氧元素G21保护环境G23变废为宝G21G22拓展性学习G23G26略G27第七单元检测题一G21选择题G22G23G2BG21G24G23G2BG21G25G23G2CG21G29G23G2CG21G2FG23G2AG21G27G23G2BG21G33G23G2CG21G26G23G2AG21G28G23G2DG21G22G37G23G2D二G21填空与简答题G22G22G23G26G22G27G21G22G23G21G26G24G27G21G22G23G21G26G25G27G23G26G21G26G29G27G24G21G26G2FG27G23G24G25G21G26G27G27G27G21G22G24G23G26G22G27使可燃物的温度达到着火点G21G26G24G27湿抹布G21G2CG24G3DG2FG32G3DG48G25G32G24点G29G29G29燃G24G2CG32G24G48G25G3DG24G32G21G22G25G23G26G22G27G29G45G48G2FG32G24点G29G29G29燃G24G45G24G32G2FG21G26G24G27温度要达到可燃物的着火点G21G26G25G27步骤G21中G39通G4FG24G23不燃烧G24步骤G22中G39通G32G24G23燃烧三G21计算题G22G29G23G26G22G27G29G21G26G24G27G26G29G3E第八单元G21金属和金属材料课题G22G21金属材料G21G21G22开放性作业G23G22G23G2DG21G24G23G2AG21G25G23G2BG21G29G23G2DG21G2FG23G2BG21G27G23G2DG21G33G23G2DG21G26G23导热G21延展G21导电G21耐腐蚀G28G23G26G22G27大于G21G26G24G27金属G21G26G25G27导电G21G21G22拓展性学习G23不锈钢中主要含有铁G25铬G25碳G25镍等元素G23其中的铬元素决定了不锈钢具有耐腐蚀的性能G21课题G24G21金属的化学性质G22开放性作业G23G22G23G2CG21G24G23G2BG21G25G23G2BG21G29G23G2CG21G2FG23G2CG21G27G23G2BG21G33G23G2AG21G26G23G2AG21G28G23G2CG21G22G37G23G2DG22G22G23G26G22G27铁G21G26G24G27G24G25G22G23G28G21G26G25G27G4CG42G2EG32G29G48G55G29G29G56G55G56G2EG32G29G48G4CG42G22G24G23G26G22G27G2AG3EG21G26G24G27G46G56G48G2CG57G2EG32G29G29G29G46G56G2EG32G29G48G2CG57G22G25G23G26G22G27金属材料G21G26G24G27G4FG4EG48G2CG57G2EG32G29G29G29G4FG4EG2EG32G29G48G2CG57G22G29G23G26G22G27做导线G26合理即可G27G21G26G24G27强G21G26G25G27G26答案合理即可G27你的一种猜想验证方法现G21象结G21论该金属比铁活泼将该金属投入G4CG42G2CG40G24溶液中生成黑色物质G23溶液浅绿色逐渐消失该金属活动性比铁强G21G21G26G29G27用醋浸泡G23看是否有气泡冒出G23若有气泡冒出G23则证明该银饰品掺杂铝G21G21G21G22拓展性学习G23G21G22G37G21G21G21G21G21G21G21G21G21G21G21G21G21自主学习指导课程G21G21G21G21G21G21G21G21G21G21G21G22G23G24G25G26G27G28G29G22G28G2AG2BG21G21化化化化化化化化化化化化化化学学学学学学学学学学学学学学G21G21铁与胃中的酸性物质发生置换反应G23生成可溶性的亚铁盐G23即G4CG42G48G24G3DG2CG29G29G40G4CG42G2CG40G24G48G3DG24G2AG21课题G25G21金属资源的利用和保护G22开放性作业G23G22G23G2BG21G24G23G2BG21G25G23G2BG21G29G23G2CG21G2FG23G2DG21G27G23加入过量的稀硫酸后过滤G23G4CG42G48G3DG24G2EG32G29G29G29G4CG42G2EG32G29G48G3DG24G2BG23加入过量的硫酸铜溶液后过滤G23G4CG42G48G2CG57G2EG32G29G29G29G4CG42G2EG32G29G48G2CG57G33G23G26G22G27G21铁与氧气和水同时接触G21G22G2AG2BG21G26G24G27G4CG42G48G2CG57G2EG32G29G29G29G29G4CG42G2EG32G29G48G2CG57G26G23G26G22G27分子在不断运动G21G26G24G27涂油G26或喷漆G25搪瓷G25电镀等合理即可G27G21G26G25G27隔绝白磷与空气接触G28G23G26G22G27G4CG42G25G32G29G21G26G24G27G39G21G26G25G27减小G21G22拓展性学习G23因为越王勾践剑用青铜G26即铜和锡的合金G27铸成G23剑身又经硫化处理G23由于青铜的抗锈能力比铁强得多G23硫化处理后又在剑身上形成了一层致密的硫化物保护膜G23所以宝剑的抗蚀防锈能力很强G21第八单元检测题一G21选择题G22G23G2CG21G24G23G2BG21G25G23G2DG21G29G23G2AG21G2FG23G2AG21G27G23G2BG21G33G23G2CG21G26G23G2AG21G28G23G2BG21G22G37G23G2D二G21填空与简答题G22G22G23气泡G21无G21浅绿色G21红色物质G21蓝G21浅绿色G21G22G24G23G26G22G27导电G21G26G24G27氧化铝或G2AG40G24G32G25G21G26G25G27G27G22G25G23G26G22G27铝G21G26G24G27大G21G26G25G27G2BG22G29G23G26G22G27G2CG32G21G32G24G21G4CG42G24G32G25G21G2CG57G21G26G24G27甲G22G25G2CG32G48G4CG42G24G32G25高G29G29G29温G24G4CG42G48G25G2CG32G24G24G2CG32G24G48G2CG38G26G32G3DG27G29G29G29G24G2CG38G2CG32G25G30G48G3DG24G32G23乙G22G24G2CG57G48G32G24G29G29G29G2CG24G2CG57G32G22G2FG23G2AG21G26G22G27G38G21G26G24G27G2AG40G21G5FG4EG21G2CG57G21否G21铝与硫酸铜发生置换反应G23损坏铝容器G21G22G27G23G26G22G27G22G4AG29G21G26G24G27G2FG24G44第九单元G21溶液课题G22G21溶液的形成G21G21G22开放性作业G2