选择题 总质量一定时，不论以任何比例混合，完全燃烧生成CO2与H2O的量为定值的是[?? ?? ]
A．![]()
600)makesmallpic(this,600,1800);\' style=\"WIDTH: 30px; HEIGHT: 34px; VERTICAL-ALIGN: middle\" src=\"http://www_php168_com/91files/2016060705/zirsjobx1yj.png\">??和C2H4??????????????????????????
B．C2H4和C3H8????????????
C．CH2O和C2H4O2???????????????????????????????????????????????
D．C3H8O和C2H6O
选择题 总质量一定时，不论以任何比例混合，完全燃烧生成CO2与H2O的量为定值的是[???? ]
A．![]()
600)makesmallpic(this,600,1800);\' style=\"WIDTH: 30px; HEIGHT: 34px; VERTICAL-ALIGN: middle\" src=\"http://www_php168_com/91files/2016060705/zirsjobx1yj.png\">??和C2H4??????????????????????????
B．C2H4和C3H8????????????
C．CH2O和C2H4O2???????????????????????????????????????????????
D．C3H8O和C2H6O
本题答案：C
本题解析：
本题所属考点：【有机物燃烧规律的计算】
本题难易程度：【一般】
Success is achieved by converting each step into a goal and each goal into a step. 把每个步骤变成目标,再把每个目标变成步骤,便能成功.
