题目

阅读短文,判断句子正(T)误(F)表示 It’s Sunday afternoon. The weather is fine. There is a football match between class 2 and class 4. Many students are watching .They’re excited.Now Zhang Peng has the ball. He passes it to Wu Yifan .But Wu Yifan can’t kick the ball. Then John has the ball. He kicks it. The ball flies to Zhang Peng’s arm. Zhang Peng is very angry. The ball files into the goal. How is Zhang Peng feeling now? Guess! He is so happy!Hooray! Class 4 won the game. Class2 is very sad.(1)There is a basketball match on Sunday afternoon.(2)Wu Yifan can(15分)某校兴趣小组同学欲研究SO2的性质。        (1)将相关的含硫物质分为如下表所示3组,第2组中物质X的化学式是      。 第1组 第2组 第3组 S(单质) SO2、X、Na2SO3、NaHSO3 SO3、H2SO4、Na2SO4、NaHSO4        (2)利用下图所示的装置研究SO2的性质:        (熔点:SO2  -76.1℃,SO3  16.8℃;沸点:SO2  -10℃,SO3  44.8℃) ①装置I模拟工业生产中SO2催化氧化的反应,其化学方程式是                    。 ②甲同学按I、II、III、IV的顺序连接装置,装置II的作用是                      ;装置III中溶液逐渐褪色,生成Mn2+,同时pH降低,则该反应的离子方程式是           。 ③乙同学按I、II、IV的顺序连接装置,若装置IV中有40 mL 2.5 mol•L-1 NaOH溶液,反应后增重4.8 g,则装置IV中发生反应的总化学方程式是                           。
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