本课配套习题挑战模式1/5
单选题
难度系数:
1.下列反应属于化合反应的是
A: 酒精+氧气→水+二氧化碳 |
B: 水→氢气+氧气 |
C: 锌+硫酸→硫酸锌+氢气 |
D: 镁+氧气→氧化镁 |
一次做对,真牛!
+5奖励规则>
- 提示1:5Y+N5bqU5YmN5ZCO54mp6LSo56eN57G74oCc5aSa5Y+Y5LiA4oCd55qE5bCx5piv5YyW5ZCI5Y+N5bqU44CC
- 答案:RA==
QeOAgeWPjeW6lOeJqeWSjOeUn+aIkOeJqemDveaYr+S4pOenje+8jOS4jeaYr+WMluWQiOWPjeW6lO+8mzxicj5C44CB5Y+N5bqU54mp5piv5LiA56eN77yM55Sf5oiQ54mp5piv5Lik56eN77yM5bGe5LqO5YiG6Kej5Y+N5bqU77ybPGJyPkPjgIHlj43lupTnianlkoznlJ/miJDnianpg73mmK/kuKTnp43vvIzlsZ7kuo7nva7mjaLlj43lupTvvJs8YnI+ROOAgeWPjeW6lOeJqeaYr+S4pOenje+8jOeUn+aIkOeJqeaYr+S4gOenje+8jOWxnuS6juWMluWQiOWPjeW6lO+8mzxicj7mlYXpgIlE77yO
本课配套习题挑战模式2/5
单选题
难度系数:
2.下列反应属于化合反应的是
A: 氧化钙+水→氢氧化钙 |
B: 碳酸氢铵→水+二氧化碳+氨气 |
C: 二氧化碳+石灰水→碳酸钙+水 |
D: 石蜡+氧气→水+二氧化碳 |
一次做对,真牛!
+5奖励规则>
- 提示1:5Y+N5bqU5YmN5ZCO54mp6LSo56eN57G74oCc5aSa5Y+Y5LiA4oCd55qE5bCx5piv5YyW5ZCI5Y+N5bqU44CC
- 答案:QQ==
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
本课配套习题挑战模式3/5
单选题
难度系数:
3.下列化学反应中属于氧化反应但不属于化合反应的是
A: 铝+氧气氧化铝 |
B: 甲烷+氧气二氧化碳+水 |
C: 氢气+氧气水 |
D: 红磷+氧气五氧化二磷 |
一次做对,真牛!
+5奖励规则>
- 提示1:54mp6LSo6Lef5rCn5Y+R55Sf55qE5Y+N5bqU5bGe5LqO5rCn5YyW5Y+N5bqU77yM5YyW5ZCI5Y+N5bqU5piv5oyH55Sx5Lik56eN5oiW5Lik56eN5Lul5LiK54mp6LSo5Y+N5bqU55Sf5oiQ5Y+m5aSW5LiA56eN54mp6LSo55qE5Y+N5bqU77yO
- 答案:Qg==
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
本课配套习题挑战模式4/5
单选题
难度系数:
4.下列反应中,不属于氧化反应的是
A: C+O2CO2 |
B: CH4+2O2CO2+2H2O |
C: CaO+H2O═Ca(OH)2 |
D: CuO+H2Cu+H2O |
一次做对,真牛!
+5奖励规则>
- 提示1:54mp6LSo5LiO5rCn5Y+R55Sf55qE5YyW5a2m5Y+N5bqU5piv5rCn5YyW5Y+N5bqULg==
- 答案:Qw==
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
本课配套习题挑战模式5/5
单选题
难度系数:
5.下列反应中,既不属于化合反应,也不属于氧化反应的是
A: 硫在氧气中燃烧 |
B: 石蜡在空气中燃烧 |
C: 高锰酸钾受热分解 |
D: 镁带在空气中燃烧 |
一次做对,真牛!
+5奖励规则>
- 提示1:5YyW5ZCI5Y+N5bqU5piv5oyH55Sx5Lik56eN5oiW5Lik56eN5Lul5LiK54mp6LSo5Y+N5bqU55Sf5oiQ5Y+m5aSW5LiA56eN54mp6LSo55qE5Y+N5bqU77yO5rCn5YyW5Y+N5bqU5piv5oyH54mp6LSo6Lef5rCn5Y+R55Sf55qE5Y+N5bqU77yO
- 答案:Qw==
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