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初三化学复习 PowerPoint PPT Presentation


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初三化学复习. — 厨房里的 化学. 复习目标:. 1 、 掌握厨房里与化学有关的 物质的相关知识 ; 2 、 关注生活、健康成长 。. 厨房中哪些与初中化学有关的物品?. 醋. 我们来探究关于它们的相关知识。. 鸡蛋壳的奥秘. 知识点一. —— 探究鸡蛋壳的主要成分. 请你猜想:. 鸡蛋壳的主要成分是什么?. 请你设计:. 怎样证明你的猜想?. 石 灰 水. —— 探究鸡蛋壳的主要成分. 有气泡产生 澄清石灰水变浑浊. 蛋壳中 可能有 碳酸钙. 蛋壳中 有碳酸 钙. 趣味发散.

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初三化学复习

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1

2







Na2CO3

Na2CO3

Na2CO3


1

2

3


1

2

3

4



3515mg/

GB5461


3515mg/

GB5461

A

B

C1kg3515mg

D

D


37

374



2CO + O2 == 2CO2

C + CO2 == 2CO

C + O2 == CO2


60________________

70________________________________________

8090

_____________________________________

_____________________________________


C4H10

1________________________________

CH4C4H10_______

3_____(

C4H10


--


16(12)60


605165,10%,515

1

CO + 2H2 XX

2

3

CH3OH





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