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高一化学(下)备课教案

  • 2026-04-09 19:55:58
高一化学(下)备课教案

高一化学(下)备课教案

#高中化学必修二

硫及其化合物👇
硫及其化合物重点梳理(1)
硫及其化合物重点梳理(2)
硫及其化合物重点梳理(3)
深度解析 | CO₂与SO₂到底差在哪？所有不同，都源于这个根本原因
高中化学经典争议：SO₂通入BaCl₂溶液到底会不会产生沉淀？
高中化学‖从卡瓦伊真火山看硫在自然界中的循环
教学疑问：浓硫酸表现吸水性时发生的是物理变化还是化学变化？
高中化学重难点‖一节课搞懂粗盐提纯

氮及其化合物
高中化学干货‖N₂、NO、NO₂全梳理
高中化学｜氨与铵盐知识点全整理
高中化学｜氨气实验室制法，原理+装置+易错点全总结
高中化学｜硝酸知识点超全总结
高中化学教学探讨‖铜与浓硝酸反应后溶液呈绿色的两种成因分析
高中化学实验探究‖教材没讲的钝化“异常”现象

硅及其化合物👇
备课实录｜讲无机非金属材料之前我做了什么？
无机非金属材料‖一篇搞定所有考点
高中化学‖关于硅及其化合物教学中的常见疑问深度解析

必修一必修二方程式默写清单
Na、Cl、Fe、Al、S、N必背方程式汇总(附答案)

祝贺 公主

祝我好运吧

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      1. CONNECT:[ UseTime:0.000961s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
      2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001024s ]
      3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000341s ]
      4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000372s ]
      5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000663s ]
      6. SELECT * FROM `set` [ RunTime:0.000246s ]
      7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000574s ]
      8. SELECT * FROM `article` WHERE `id` = 484843 LIMIT 1 [ RunTime:0.000379s ]
      9. UPDATE `article` SET `lasttime` = 1776712956 WHERE `id` = 484843 [ RunTime:0.002511s ]
      10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000288s ]
      11. SELECT * FROM `article` WHERE `id` < 484843 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000426s ]
      12. SELECT * FROM `article` WHERE `id` > 484843 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000327s ]
      13. SELECT * FROM `article` WHERE `id` < 484843 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.004054s ]
      14. SELECT * FROM `article` WHERE `id` < 484843 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.014495s ]
      15. SELECT * FROM `article` WHERE `id` < 484843 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.005524s ]
      0.178403s