某学生欲完成2HCl+Cu===CuCl2+H2↑反应,设计了如图所示的四个实验

某学生欲完成2HClCu===CuCl2H2反应,设计了如图所示的四个实验,可行的实验是

答案

C

相关题目

During the ten-day vacation, they traveled to France their own expense A. on  
During the ten-day vacation, they traveled to France their own expense A. on         B. with         C. at         D. in
请按要求写出能生成氢氧化钠的反应的化学方程式:
请按要求写出能生成氢氧化钠的反应的化学方程式:
Unemployment in USA is likely to remain high in 2011, and _______ for the next f
Unemployment in USA is likely to remain high in 2011, and _______ for the next few years. A. possibly       B. necessarily               C. gradually          D. normally  
有人说:“只要西班牙民族存在一天,斗牛就不会消失。”
有人说:“只要西班牙民族存在一天,斗牛就不会消失。”这一竞技运动一直被认为是勇敢善战的象征在西班牙流行。这表明 A、 经年累月形成的文化
       I caught _____ bad cold and have to stay in _____ bed. A. a; / 
       I caught _____ bad cold and have to stay in _____ bed. A. a; /       B. a; the        C. a; a        D. /; the
Dear Amy, Today I want to tell you something about my neighborhood. I live on a
Dear Amy, Today I want to tell you something about my neighborhood. I live on a big street. To the left of my house is a big park. The police station is across from my house. There is a hotel to th
已知三条相交于一点的线段PA,PB,PC两两垂直,且A,B,C在
已知三条相交于一点的线段PA,PB,PC两两垂直,且A,B,C在同一平面内,P在平面ABC外,PH⊥平面ABC于H,则垂足H是△的     A.内心       B.外心
Recently,an American doctor in Liberia has been tested positive for the Ebola v
Recently,an American doctor in Liberia has been tested positive for the Ebola virus.Dr.Rick Sacra,a Christian missionary(传教士)wasn’t treating people with Ebola,but he’s in the country that

最新题目