最新初三化学知识点填空复习题4优秀名师资料.doc

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1、初三化学知识点填空复习题4,周周清一,第一单元 走进化学世界 课题1:化学使世界变得更加绚丽多彩 1(化学是研究物质的 、 、 以及 的自然科学，它与人类的进步和社会发展关系密切。 一、化学变化:_的变化;物理变化:_的变化。 二、化学性质:物质在_中表现出来的性质。物理性质:物质_就表现出来的性质 课题2: 化学是一门以 为基础的科学 P6 2(请列举蜡烛的物理性质: (任举四个)。 3(请列举蜡烛的化学性质: 。(举一个) 4(蜡烛燃烧后的产物是 和 (填物质名称)。 5(将一干燥的烧杯罩在蜡烛燃烧火焰的上方，可以观察到烧杯壁上有 ，片刻后取下烧杯，迅速向烧杯中倒入少量澄清的石灰水，振荡，

2、可以看到 ，这可以推测蜡烛燃烧后生成了 。P8 6(探究活动体现了化学学习的以下特点:1关注物质的性质、2关注物质的 ，3关注 .P9 7(收集人体呼出的气体，做以下实验，把燃着的小木条分别插入空气和呼出的气体中，发现木条在 燃烧得比较旺盛，说明人体呼出的气体中 含量较低。P11 8(将澄清石灰水倒入装有呼出气体的集气瓶中，振荡，发现 ，说明呼出气体中的 含量较空气中的要高。P11 9(对着干燥的玻璃片呼气，会发现玻璃片上出现 ，说明呼出气体中 含量较高。 课题3 走进化学实验室 10(固体药品通常保存在 ，取用固体药品一般用 ，块状的药品可以用 取用。密度较大的块状药品和金属颗粒放入玻璃容器

3、中时，应该先把容器 ，把药品放入 后，再把容器慢慢地 起来，使药品缓缓地滑到 ，以免 容器。P14 11 液体药品通常盛放在 里。P15 12(用量筒量取液体时，量筒必须 ，视线要和量筒内液体的 保持水平，再读出液体体积。P15 13(倾倒试剂时，塞子要 在桌子上，瓶口要 试管口，贴标签的一面要向着 。倒完液体后，要立即 ,并把瓶子放回原处。P15 14(取少量的液体可以用 ，使用时应该保持 向上，不要 或者 。用过以后要立即 ，以备再用。严禁未经清洗的滴管再 。P16 low rotor, until rotor of weight by steam end sliding block an

4、d Reed end rotor Bay support, in put low rotor of while should in Reed end rotor Bay at added pad sleeper, due to stator has preliminary adjustment finished, so stator within bore exists must Yang degrees, so should note adjustment makes rotor keep and stator within bore concentric, makes rotor not

5、and coil contact. Panasonic lane hook, remove wire rope hoist, wrapped at the rotor excitation-side shoulder arc washer, and move the lifting wire rope to protect mat. Two 5T chain hoist end beam connections and welded to the rotor carriers, length adjusted for field conditions, and at the other end

6、 of the stator lifting hook or end cap end lugs connected, as shown in Figure 11.4.3-1. With Lane slightly single head upgrade rotor Reed end, keep rotor level, demolition rotor Bay or support sleepers, then slowly synchronization pull two only chain gourd, makes rotor in steam end sliding block of

7、support Xia along arc skateboard to steam end sliding, this process in the, lane must and rotor of sliding keep synchronization, in rotor of steam end and Reed end are due hand guardianship rotor and stator Zhijian of clearance. Dang by steam end side has nursing ring protection of coil end Departme

8、nt into stator within bore Hou, slightly upgrade rotor Reed end, in rotor ontology following loaded into Central sliding block, its loaded into Hou must very carefully to along axis to for find are, and note observation rotor coupling in wear loaded process in the whether turned, as has should stop

9、wear loaded, needed on Central sliding block location again for find are, while should note in Central sliding block placed yihou only allows steam end sliding block beyond stator within bore, and in Central sliding block and steam end rotor nursing ring Zhijian at least should keep must of distance

10、 ( 300MW 76mm, 1000MW is 50mm). When the steam side slider close to steam at the end of the stator bore ,周周清一,第一单元 走进化学世界 课题1:化学使世界变得更加绚丽多彩 1(化学是研究物质的 、 、 以及 的自然科学，它与人类的进步和社会发展关系密切。 一、化学变化:_的变化;物理变化:_的变化。 二、化学性质:物质在_中表现出来的性质。物理性质:物质_就表现出来的性质 课题2: 化学是一门以 为基础的科学 P6 2(请列举蜡烛的物理性质: (任举四个)。 3(请列举蜡烛的化学性质:

11、。(举一个) 4(蜡烛燃烧后的产物是 和 (填物质名称)。 5(将一干燥的烧杯罩在蜡烛燃烧火焰的上方，可以观察到烧杯壁上有 ，片刻后取下烧杯，迅速向烧杯中倒入少量澄清的石灰水，振荡，可以看到 ，这可以推测蜡烛燃烧后生成了 。P8 6(探究活动体现了化学学习的以下特点:1关注物质的性质、2关注物质的 ，3关注 .P9 7(收集人体呼出的气体，做以下实验，把燃着的小木条分别插入空气和呼出的气体中，发现木条在 燃烧得比较旺盛，说明人体呼出的气体中 含量较低。P11 8(将澄清石灰水倒入装有呼出气体的集气瓶中，振荡，发现 ，说明呼出气体中的 含量较空气中的要高。P11 9(对着干燥的玻璃片呼气，会发现

12、玻璃片上出现 ，说明呼出气体中 含量较高。 课题3 走进化学实验室 10(固体药品通常保存在 ，取用固体药品一般用 ，块状的药品可以用 取用。密度较大的块状药品和金属颗粒放入玻璃容器中时，应该先把容器 ，把药品放入 后，再把容器慢慢地 起来，使药品缓缓地滑到 ，以免 容器。P14 11 液体药品通常盛放在 里。P15 12(用量筒量取液体时，量筒必须 ，视线要和量筒内液体的 保持水平，再读出液体体积。P15 13(倾倒试剂时，塞子要 在桌子上，瓶口要 试管口，贴标签的一面要向着 。倒完液体后，要立即 ,并把瓶子放回原处。P15 14(取少量的液体可以用 ，使用时应该保持 向上，不要 或者 。用

13、过以后要立即 ，以备再用。严禁未经清洗的滴管再 。P16 low rotor, until rotor of weight by steam end sliding block and Reed end rotor Bay support, in put low rotor of while should in Reed end rotor Bay at added pad sleeper, due to stator has preliminary adjustment finished, so stator within bore exists must Yang degrees, so

14、should note adjustment makes rotor keep and stator within bore concentric, makes rotor not and coil contact. Panasonic lane hook, remove wire rope hoist, wrapped at the rotor excitation-side shoulder arc washer, and move the lifting wire rope to protect mat. Two 5T chain hoist end beam connections a

15、nd welded to the rotor carriers, length adjusted for field conditions, and at the other end of the stator lifting hook or end cap end lugs connected, as shown in Figure 11.4.3-1. With Lane slightly single head upgrade rotor Reed end, keep rotor level, demolition rotor Bay or support sleepers, then s

16、lowly synchronization pull two only chain gourd, makes rotor in steam end sliding block of support Xia along arc skateboard to steam end sliding, this process in the, lane must and rotor of sliding keep synchronization, in rotor of steam end and Reed end are due hand guardianship rotor and stator Zh

17、ijian of clearance. Dang by steam end side has nursing ring protection of coil end Department into stator within bore Hou, slightly upgrade rotor Reed end, in rotor ontology following loaded into Central sliding block, its loaded into Hou must very carefully to along axis to for find are, and note o

18、bservation rotor coupling in wear loaded process in the whether turned, as has should stop wear loaded, needed on Central sliding block location again for find are, while should note in Central sliding block placed yihou only allows steam end sliding block beyond stator within bore, and in Central s

19、liding block and steam end rotor nursing ring Zhijian at least should keep must of distance ( 300MW 76mm, 1000MW is 50mm). When the steam side slider close to steam at the end of the stator bore ,周周清二, 15(万一酒精洒出在桌面上燃烧，不要惊慌，应立刻用 。P16 16(使用酒精灯时要用 焰加热。 焰的温度最高。P17 17(给试管中的液体预热的方法是 。P17 18(加热试管时，试管夹夹在 ，试

20、管口和水平面成 度角。P18 19(洗涤试管的方法是:先 内的废液，再注入半试管水， 后把水倒掉，这样连，也不 续几次，最后直到玻璃仪器内壁的水既不，表示仪器已经干净，洗净的仪器要放在 。P19 第二单元 我们周围的空气 课题1 空气 1.法国化学家 用定量的方法研究空气的组成，他把少量的汞放在密闭的容器中连续加热后，发现一部分银白色的汞变成了 ，同时容器内的空气体积减少了 。将得到的物质再加强热，得到 和氧气。将这些氧气和剩余的气体混合后，所得气体的性质和空气的性质 P22 2 . 红磷在空气中燃烧的化学方程式: P23 3 .空气是一种 (纯净物/混合物)，其中氮气占 ，氧气占 ，稀有气体

21、占 ，二氧化碳占 ，其他气体和杂质占 。 P23 4.在 时需要纯氧，在 时需要氧气。P24 5.氮气是制造 和 的重要原料;氮气的 ，所以常在焊接金属时做保护气，请再列举三个氮气的用途1 ; 2 ;3 。P25 6.稀有气体的化学性质 ，所以曾被叫做 ，稀有气体经常用于做保护气，如: ，或者 。(举出两个例子。)P25 P26 7.随着工业的发展， 和 被排放到空气中，空气污染现象有 、 和酸雨现象。P26 课题2 氧气 8. ，说明氧气能支持燃烧。P29 9.写出下列反应的化学方程式: ?硫+氧气: ?铝+氧气: ?碳+氧气: 其中，产生刺激性气味的反应是 ,有耀眼的白光的是 ，放出热量的

22、有 。有淡蓝色火焰的是 。(注意:不一定只有一个答案。)以上这些反应的类型属于 。P30 low rotor, until rotor of weight by steam end sliding block and Reed end rotor Bay support, in put low rotor of while should in Reed end rotor Bay at added pad sleeper, due to stator has preliminary adjustment finished, so stator within bore exists must Y

23、ang degrees, so should note adjustment makes rotor keep and stator within bore concentric, makes rotor not and coil contact. Panasonic lane hook, remove wire rope hoist, wrapped at the rotor excitation-side shoulder arc washer, and move the lifting wire rope to protect mat. Two 5T chain hoist end be

24、am connections and welded to the rotor carriers, length adjusted for field conditions, and at the other end of the stator lifting hook or end cap end lugs connected, as shown in Figure 11.4.3-1. With Lane slightly single head upgrade rotor Reed end, keep rotor level, demolition rotor Bay or support

25、sleepers, then slowly synchronization pull two only chain gourd, makes rotor in steam end sliding block of support Xia along arc skateboard to steam end sliding, this process in the, lane must and rotor of sliding keep synchronization, in rotor of steam end and Reed end are due hand guardianship rot

26、or and stator Zhijian of clearance. Dang by steam end side has nursing ring protection of coil end Department into stator within bore Hou, slightly upgrade rotor Reed end, in rotor ontology following loaded into Central sliding block, its loaded into Hou must very carefully to along axis to for find

27、 are, and note observation rotor coupling in wear loaded process in the whether turned, as has should stop wear loaded, needed on Central sliding block location again for find are, while should note in Central sliding block placed yihou only allows steam end sliding block beyond stator within bore,

28、and in Central sliding block and steam end rotor nursing ring Zhijian at least should keep must of distance ( 300MW 76mm, 1000MW is 50mm). When the steam side slider close to steam at the end of the stator bore ,周周清二, 15(万一酒精洒出在桌面上燃烧，不要惊慌，应立刻用 。P16 16(使用酒精灯时要用 焰加热。 焰的温度最高。P17 17(给试管中的液体预热的方法是 。P17 1

29、8(加热试管时，试管夹夹在 ，试管口和水平面成 度角。P18 19(洗涤试管的方法是:先 内的废液，再注入半试管水， 后把水倒掉，这样连，也不 续几次，最后直到玻璃仪器内壁的水既不，表示仪器已经干净，洗净的仪器要放在 。P19 第二单元 我们周围的空气 课题1 空气 1.法国化学家 用定量的方法研究空气的组成，他把少量的汞放在密闭的容器中连续加热后，发现一部分银白色的汞变成了 ，同时容器内的空气体积减少了 。将得到的物质再加强热，得到 和氧气。将这些氧气和剩余的气体混合后，所得气体的性质和空气的性质 P22 2 . 红磷在空气中燃烧的化学方程式: P23 3 .空气是一种 (纯净物/混合物)，

30、其中氮气占 ，氧气占 ，稀有气体占 ，二氧化碳占 ，其他气体和杂质占 。 P23 4.在 时需要纯氧，在 时需要氧气。P24 5.氮气是制造 和 的重要原料;氮气的 ，所以常在焊接金属时做保护气，请再列举三个氮气的用途1 ; 2 ;3 。P25 6.稀有气体的化学性质 ，所以曾被叫做 ，稀有气体经常用于做保护气，如: ，或者 。(举出两个例子。)P25 P26 7.随着工业的发展， 和 被排放到空气中，空气污染现象有 、 和酸雨现象。P26 课题2 氧气 8. ，说明氧气能支持燃烧。P29 9.写出下列反应的化学方程式: ?硫+氧气: ?铝+氧气: ?碳+氧气: 其中，产生刺激性气味的反应是

31、,有耀眼的白光的是 ，放出热量的有 。有淡蓝色火焰的是 。(注意:不一定只有一个答案。)以上这些反应的类型属于 。P30 low rotor, until rotor of weight by steam end sliding block and Reed end rotor Bay support, in put low rotor of while should in Reed end rotor Bay at added pad sleeper, due to stator has preliminary adjustment finished, so stator within bo

32、re exists must Yang degrees, so should note adjustment makes rotor keep and stator within bore concentric, makes rotor not and coil contact. Panasonic lane hook, remove wire rope hoist, wrapped at the rotor excitation-side shoulder arc washer, and move the lifting wire rope to protect mat. Two 5T ch

33、ain hoist end beam connections and welded to the rotor carriers, length adjusted for field conditions, and at the other end of the stator lifting hook or end cap end lugs connected, as shown in Figure 11.4.3-1. With Lane slightly single head upgrade rotor Reed end, keep rotor level, demolition rotor

34、 Bay or support sleepers, then slowly synchronization pull two only chain gourd, makes rotor in steam end sliding block of support Xia along arc skateboard to steam end sliding, this process in the, lane must and rotor of sliding keep synchronization, in rotor of steam end and Reed end are due hand

35、guardianship rotor and stator Zhijian of clearance. Dang by steam end side has nursing ring protection of coil end Department into stator within bore Hou, slightly upgrade rotor Reed end, in rotor ontology following loaded into Central sliding block, its loaded into Hou must very carefully to along

36、axis to for find are, and note observation rotor coupling in wear loaded process in the whether turned, as has should stop wear loaded, needed on Central sliding block location again for find are, while should note in Central sliding block placed yihou only allows steam end sliding block beyond stat

37、or within bore, and in Central sliding block and steam end rotor nursing ring Zhijian at least should keep must of distance ( 300MW 76mm, 1000MW is 50mm). When the steam side slider close to steam at the end of the stator bore ,周周清三, 10.蜡烛的燃烧是化学反应，因为在这个变化当中 ，在这个变化过程中同时 (有/没有)物理变化发生。P31 11.氧气具有氧化性，是一

38、种常见的 。P32 。P32 有的氧化反应进行得很慢，不容易被察觉，这种氧化叫做12.缓慢氧化的例子有 。(举两个)P32 课题3 制取氧气 13.实验室常用 或 的方法制取氧气。P33 14.写出过氧化氢溶液制取氧气的化学方程式: P34 在这个实验中，二氧化锰叫做 ，它在实验前后的 和 没有发生变化，它在实验中起 作用。P35 15.高锰酸钾是一种 色的固体，它受热时化学方程式为: 。P35 16.由 种反应物生成 其他物质的反应，叫做分解反应。P36 17.实验室用高锰酸钾制取氧气的实验步骤如下: ?检查 ;?往试管内装入 ，并在试管口放 ;?准备集气瓶;? ;?当 时开始收集气体;?先

39、把 再 停止加热。P37 17.把铁丝加热到红热状态后放入盛有氧气的集气瓶中，可以观察到 ，有 色固体生成。这个反应的化学方程式是 。P38 第三单元 自然界的水 课题1 水的组成 1.通电分解水的时候，试管1中的气体可以使 ，说明是氧气，试管2中所收集的移近火焰时， ，火焰呈 色，说明试管里的气体是 。氢气和氧气的体积比是 。P44.P45 2.水通电分解的化学反应方程式: 。P45 叫做化合物;由 的叫做单质。如:化合物有: ;单质有 。单质和化合物都是纯净物。(各举三例) 课题2 分子和原子 3.水是由水 构成的，水分子之间存在着 ，水分子在不断的 。分子是由 构成的，例如，一个水分子是

40、由 和 构成的。P49 low rotor, until rotor of weight by steam end sliding block and Reed end rotor Bay support, in put low rotor of while should in Reed end rotor Bay at added pad sleeper, due to stator has preliminary adjustment finished, so stator within bore exists must Yang degrees, so should note adjus

41、tment makes rotor keep and stator within bore concentric, makes rotor not and coil contact. Panasonic lane hook, remove wire rope hoist, wrapped at the rotor excitation-side shoulder arc washer, and move the lifting wire rope to protect mat. Two 5T chain hoist end beam connections and welded to the

42、rotor carriers, length adjusted for field conditions, and at the other end of the stator lifting hook or end cap end lugs connected, as shown in Figure 11.4.3-1. With Lane slightly single head upgrade rotor Reed end, keep rotor level, demolition rotor Bay or support sleepers, then slowly synchroniza

43、tion pull two only chain gourd, makes rotor in steam end sliding block of support Xia along arc skateboard to steam end sliding, this process in the, lane must and rotor of sliding keep synchronization, in rotor of steam end and Reed end are due hand guardianship rotor and stator Zhijian of clearanc

44、e. Dang by steam end side has nursing ring protection of coil end Department into stator within bore Hou, slightly upgrade rotor Reed end, in rotor ontology following loaded into Central sliding block, its loaded into Hou must very carefully to along axis to for find are, and note observation rotor

45、coupling in wear loaded process in the whether turned, as has should stop wear loaded, needed on Central sliding block location again for find are, while should note in Central sliding block placed yihou only allows steam end sliding block beyond stator within bore, and in Central sliding block and

46、steam end rotor nursing ring Zhijian at least should keep must of distance ( 300MW 76mm, 1000MW is 50mm). When the steam side slider close to steam at the end of the stator bore ,周周清三, 10.蜡烛的燃烧是化学反应，因为在这个变化当中 ，在这个变化过程中同时 (有/没有)物理变化发生。P31 11.氧气具有氧化性，是一种常见的 。P32 有的氧化反应进行得很慢，不容易被察觉，这种氧化叫做 。P32 12.缓慢氧化的

47、例子有 。(举两个)P32 课题3 制取氧气 13.实验室常用 或 的方法制取氧气。P33 14.写出过氧化氢溶液制取氧气的化学方程式: P34 在这个实验中，二氧化锰叫做 ，它在实验前后的 和 没有发生变化，它在实验中起 作用。P35 15.高锰酸钾是一种 色的固体，它受热时化学方程式为: 。P35 16.由 种反应物生成 其他物质的反应，叫做分解反应。P36 17.实验室用高锰酸钾制取氧气的实验步骤如下: ?检查 ;?往试管内装入 ，并在试管口放 ;?准备集气瓶;? ;?当 时开始收集气体;?先把 再 停止加热。P37 17.把铁丝加热到红热状态后放入盛有氧气的集气瓶中，可以观察到 ，有

48、色固体生成。这个反应的化学方程式是 。P38 第三单元 自然界的水 课题1 水的组成 1.通电分解水的时候，试管1中的气体可以使 ，说明是氧气，试管2中所收集的移近火焰时， ，火焰呈 色，说明试管里的气体是 。氢气和氧气的体积比是 。P44.P45 2.水通电分解的化学反应方程式: 。P45 叫做化合物;由 的叫做单质。如:化合物有: ;单质有 。单质和化合物都是纯净物。(各举三例) 课题2 分子和原子 3.水是由水 构成的，水分子之间存在着 ，水分子在不断的 。分子是由 构成的，例如，一个水分子是由 和 构成的。P49 low rotor, until rotor of weight by steam end sliding block and Reed end rotor Bay support, in put low rotor of while should in Reed end rotor Bay at added pad sleeper, due to stator has preliminary adjustment finished, so stator within bore exists must Yang deg