本课配套习题挑战模式1/5
单选题
难度系数:
1.不符合如图装置设计意图的是
A: 说明CO具有还原性 |
B: 既说明CO具有可燃性,又充分利用了能源 |
C: 说明产物CO2的密度比空气大 |
D: 有效地防止反应中多余的CO对空气的污染 |
一次做对,真牛!
+5奖励规则>
- 提示1:5pys6aKY55qE6YeN54K55Zyo5LqO6KOF572u55qE5YiG5p6Q77yM5rOo5oSP5pW05Liq5b6q546v5Lit6YO95pyJ5LuA5LmI5rCU5L2T5Zyo5rWB5Yqo44CC
- 提示2:5Zyo6L+Z5Liq5b6q546v5L2T57O75Lit77yM5LiA5rCn5YyW56Kz5ZyoUOWPo+WkhOeHg+eDp++8jOW5tuS4juawp+WMlumTnOWPjeW6lO+8jOeUn+aIkOeahOS6jOawp+WMlueis+WImeiiq+efs+eBsOawtOWQuOaUtuOAgg==
- 答案:Qw==
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
本课配套习题挑战模式2/5
单选题
难度系数:
2.在相同的温度和压强下,相同体积的气体具有相同的分子数,反之亦然.取同温同压下
相同体积的C0和02混合,在一定条件下充分反应,恢复到初始温度和压强.下列说法正
确的是
相同体积的C0和02混合,在一定条件下充分反应,恢复到初始温度和压强.下列说法正
确的是
A: 参加反应的C0和O2的体积比为1:1 |
B: 生成的C02分子个数为原来气体分子数的三分之二 |
C: 反应后气体的体积为原来的四分之三 |
D: 反应后的气体中C、O原子的个数比为1:2 |
一次做对,真牛!
+5奖励规则>
- 提示1:5qC55o2u5LiA5rCn5YyW56Kz5LiO5rCn5rCU55qE5Y+N5bqU77yaMkNPK088c3ViPjI8L3N1Yj48aW1nIHdpZHRoPTcwIGhlaWdodD0zNiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0RDL0M2L3JCQUNGRlVHb1N6UkFxaUJBQUFBNWxKVHlsWTAyNS5wbmciID4yQ088c3ViPjI8L3N1Yj7vvIznu5PlkIjlnKjnm7jlkIznmoTmuKnluqblkozljovlvLrkuIvvvIznm7jlkIzkvZPnp6/nmoTmsJTkvZPlhbfmnInnm7jlkIznmoTliIblrZDmlbA=
- 提示2:5Y+N5LmL5Lqm54S277yM5YiG5p6Q5Y+C5Yqg5Y+N5bqU55qEQzDlkoxPPHN1Yj4yPC9zdWI+55qE5L2T56ev5q+U77yM55Sf5oiQ55qEQzA8c3ViPjI8L3N1Yj7liIblrZDkuKrmlbDkuI7ljp/mnaXmsJTkvZPliIblrZDmlbDnmoTlhbPns7s=
- 答案:Qw==
QeOAgeeUseWPjeW6lOeahOWMluWtpuaWueeoi+W8j+S4ujJDTytPPHN1Yj4yPC9zdWI+PGltZyB3aWR0aD03MCBoZWlnaHQ9MzYgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9EQy9DNi9yQkFDRkZVR29TelJBcWlCQUFBQTVsSlR5bFkwMjUucG5nIiA+MkNPPHN1Yj4yPC9zdWI+5Y+v55+l77yM5Y+C5Yqg5Y+N5bqU55qEQ0/lkoxPPHN1Yj4yPC9zdWI+55qE5YiG5a2Q5Liq5pWw5q+U5Li6Mu+8mjHvvIzlj4LliqDlj43lupTnmoRDMOWSjE88c3ViPjI8L3N1Yj7nmoTkvZPnp6/mr5TkuLoy77yaMe+8juaVhUHkuI3mraPnoa7vvJs8YnI+QuOAgeeUseWPjeW6lOeahOWMluWtpuaWueeoi+W8j+S4ujJDTytPPHN1Yj4yPC9zdWI+PGltZyB3aWR0aD03MCBoZWlnaHQ9MzYgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9EQy9DNi9yQkFDRkZVR29TelJBcWlCQUFBQTVsSlR5bFkwMjUucG5nIiA+MkNPPHN1Yj4yPC9zdWI+5Y+v55+l77yM5q+PMuS4qkNP5YiG5a2Q5LiOMeS4qk88c3ViPjI8L3N1Yj7liIblrZDlj43lupTnlJ/miJAy5LiqQ088c3ViPjI8L3N1Yj7liIblrZDvvIzogIzljp/mt7flkIjmsJTkvZPkuK1DT+WSjE88c3ViPjI8L3N1Yj7liIblrZDkuKrmlbDnm7jnrYnvvIzliJnnlJ/miJDnmoRDTzxzdWI+Mjwvc3ViPuWIhuWtkOS4quaVsOS4uuWOn+adpeawlOS9k+WIhuWtkOaVsOeahOS6jOWIhuS5i+S4gO+8juaVhULkuI3mraPnoa7vvJs8YnI+Q+OAgeWPjeW6lOeahOWMluWtpuaWueeoi+W8j+S4ujJDTytPPHN1Yj4yPC9zdWI+PGltZyB3aWR0aD03MCBoZWlnaHQ9MzYgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9EQy9DNi9yQkFDRkZVR29TelJBcWlCQUFBQTVsSlR5bFkwMjUucG5nIiA+MkNPPHN1Yj4yPC9zdWI+77yM5q+PMuS4qkNP5YiG5a2Q5LiOMeS4qk88c3ViPjI8L3N1Yj7liIblrZDlj43lupTnlJ/miJAy5LiqQ088c3ViPjI8L3N1Yj7liIblrZDvvIzljbPkuInkvZPnp6/mt7flkIjmsJTkvZPlj43lupTlkI7lj5jkuLrkuozkvZPnp6/vvI7ogIzljp/msJTkvZPkuLrnm7jlkIzkvZPnp6/nmoRDT+WSjE88c3ViPjI8L3N1Yj7mt7flkIjvvIzljbPlm5vkvZPnp6/nmoTmt7flkIjmsJTkvZPlj43lupTlkI7ov5jmnInkuIDkvZPnp6/msKfmsJTliankvZnvvJvlm6DmraTvvIzlj43lupTlkI7msJTkvZPnmoTkvZPnp6/kuLrljp/mnaXnmoTlm5vliIbkuYvkuInvvI7mlYVD5q2j56Gu77ybPGJyPkTjgIHljp/msJTkvZPkuLrnm7jlkIzkvZPnp6/nmoRDT+WSjE88c3ViPjI8L3N1Yj7mt7flkIjvvIzmt7flkIjmsJTkvZPkuK1DT+WSjE88c3ViPjI8L3N1Yj7liIblrZDkuKrmlbDkuLox77yaMe+8jOWFtuS4rUPjgIFP5Y6f5a2Q5Liq5pWw5q+U5Li6Me+8mjPvvJvmoLnmja7ljJblrablj5jljJbliY3lkI7ljp/lrZDnmoTnp43nsbvjgIHkuKrmlbDkuI3lj5jvvIzlj43lupTlkI7nmoTmsJTkvZPkuK1D44CBT+WOn+WtkOeahOS4quaVsOavlOS7jeS4ujHvvJoz77yO5pWFROS4jeato+ehru+8mzxicj7mlYXpgIlD77yO
本课配套习题挑战模式3/5
单选题
难度系数:
3.下列有关CO和CO2的说法中正确的是
A: 煤炉上放一壶水能防止CO中毒 |
B: 用石蕊溶液鉴别CO和CO2 |
C: 通入澄清石灰水除去CO2中混有少量的CO |
D: CO燃烧前后分子个数不变 |
一次做对,真牛!
+5奖励规则>
- 提示1:5pys6aKY5Li76KaB6ICD5a+fQ0/nmoTmgKfotKjvvIzms6jmhI9DT+S4jea6tuS6juawtOOAguWFtuS7luWMluWtpuaAp+i0qOavlOi+g+WuueaYk+WIhuaekOOAgg==
- 答案:Qg==
QeOAgeS4gOawp+WMlueis+S4jeiDvea6tuS6juawtO+8jOaJgOS7peWcqOeFpOeCieS4iuaUvuS4gOWjtuawtOiDvemYsuatokNP5Lit5q+S5piv6ZSZ6K+v55qE5YGa5rOV77ybPGJyPkLjgIHlnKjlhrbph5Hlt6XkuJrkuIrvvIzkuIDmsKfljJbnorPlj6/nlKjmnaXlhrbngrznlJ/pk4HvvIzov5nmmK/liKnnlKjkuIDmsKfljJbnorPmgKfotKjkuK3nmoTov5jljp/mgKfvvIzmlYXmraPnoa7vvJs8YnI+Q+OAgea+hOa4heefs+eBsOawtOiDveWkn+S4juS6jOawp+WMlueis+WPjeW6lO+8jOS4jeiDveS4juS4gOawp+WMlueis+WPjeW6lO+8jOaVheWBmuazlemUmeivr++8mzxicj5E44CB5qC55o2u6LSo6YeP5a6I5oGS5a6a5b6L5Y+v55+l77yM5YyW5a2m5Y+N5bqU5YmN5ZCO5YiG5a2Q55qE5Liq5pWw5Y+v6IO95Y+Y5YyW77yM5Lmf5Y+v6IO95LiN5Y+Y77yM5pWF6ZSZ6K+v77yOPGJyPuaVhemAie+8mkLvvI4=
本课配套习题挑战模式4/5
单选题
难度系数:
4.关于C、CO和CO2的叙述正确的是
A: CO和CO2均可用来冶炼金属 |
B: CO和CO2均具有可燃性 |
C: CO和CO2均可使紫色石蕊溶液变红 |
D: CO和CO2在一定条件下可以相互转化 |
一次做对,真牛!
+5奖励规则>
- 提示1:5q2k6aKY6ICD5p+l5Y2V6LSo56Kz5LiO56Kz55qE5rCn5YyW54mp55qE5YyW5a2m5oCn6LSo77yM54af6K6w5Y2V6LSo56Kz5LiO56Kz55qE5rCn5YyW54mp55qE5YyW5a2m5oCn6LSo5piv6Kej5Yaz5pys6aKY55qE5YWz6ZSu44CC
- 答案:RA==
QeS4rUNPPHN1Yj4yPC9zdWI+5rKh5pyJ6L+Y5Y6f5oCn77yMPGJyPkLkuK1DTzxzdWI+Mjwvc3ViPuayoeacieWPr+eHg+aAp++8jDxicj5D5Lit5bi45rip5LiL5LuF5pyJQ088c3ViPjI8L3N1Yj7lj6/kuI7msLTlj43lupTvvIw8YnI+ROS4rUNP5LiOTzxzdWI+Mjwvc3ViPuWPjeW6lOWPr+W+l0NPPHN1Yj4yPC9zdWI+77yMQ088c3ViPjI8L3N1Yj7kuI5D5Zyo6auY5rip5p2h5Lu25LiL5Y+N5bqU5Y2z5Y+v55Sf5oiQQ0/jgII=
本课配套习题挑战模式5/5
单选题
难度系数:
5.有关一氧化碳还原氧化铜的实验,叙述错误的是
A: 观察到Ⅱ中变浑浊说明Ⅰ中反应开始 |
B: Ⅰ中有红亮的铜生成 |
C: Ⅰ中参加反应的CO和CuO的物质的量之比为1:1 |
D: CO有毒,所以实验后应立即停止通CO,再熄灭酒精灯 |
一次做对,真牛!
+5奖励规则>
- 答案:RA==
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