题目

第二部分 阅读理解（共25小题，第一节每小题2分，第二节每小题1分；满分45分）     Joanne was stuck in a traffic jam in central Birmingham at 5: 30．and at 6: 30 she was expected to be chairing a meeting of the tennis club. At last, the traffic was moving. She swung quickly racing to her house. As she opened the door, she nearly fell over Sheba.     “Hey, Sheba,” she said, “I've got no time for you now, but I'll take you out as soon as I get back from tennis club.” Then she noticed Sheba seemed to be coughing or choking obviously, she could hardly brKClO3和浓盐酸在一定温度下反应会生成黄绿色的易爆物二氧化氯。其变化可表示为______KClO3+______HCl(浓)=__ ____KCl+_______ClO2↑+_______Cl2↑+______H2O。（1）请配平上述化学方程式________________________。（2）浓盐酸在反应中显示出来的性质是__________（填序号）。 ①还原性 ②酸性 ③氧化性 ④挥发性（3）产生0.1mol Cl2，则转移的电子的物质的量为__________mol。（4）氧化剂是_____；还原剂是______；氧化产物是_______；还原产物是______。