题目

甲同学利用下图所示装置进行硝酸、氮氧化物的相关实验： 实验1：将铜片放入烧杯A后，立即用烧杯B盖住 （1） 烧杯A液体上方出现大量红棕色气体，该反应的化学方程式为 （2） 一段时间后，红棕色气体消失，烧杯C中的液体变成蓝色，甲同学分析出现蓝色的原因，认为其中涉及到两个反应： ①红棕色气体消失，该化学方程式为②配平溶液出现蓝色的离子方程式，并用单线桥法标出电子转移方向和数目：_I-+_ +__H+=__I2+ NO↑+H2O （3Below are pages adapted  from, http：//sochi2014．com/en/Sochi Volunteers小题1:Sochi 2014 Volunteer Training Program was launched on       ．A．30 May 2013B．11 March 2013 C．16 December 2013D．19 September 2013小题2:“ White Stick"  Music Festival took place in      ．A．SochiB．St． PetersburgC．the United Kingdom D．Moscow小题3:Which of the following statements is true? A．The 25 ,000 volunteers were from Russia．B．Winners of Cultural Program Competition weren't known until 19 September 2013．C．From August,25 to September,8,you were able to enjoy Winter Games in Sochi．D．Few of the cultural activities were intended for creating atmosphere of Sochi Winter Games．小题4:From the two boxes, you can learn that the activities were listed according to      ．A．importanceB．placeC．dateD．name