您所在的当前位置：初中化学试题 >

化学反应中能量变化

> 对于化学能与电能转化的说法不正确的是 [ ] A．电池可将化学能转化为电能 B．电池放电的过程一定发生了化学变化 C．电能不可以转化成化学能 D．利用化学反应中的能量变化，人们可以开发新的能源

问题：

发布时间：2024-09-13

对于化学能与电能转化的说法不正确的是
[ ]
A．电池可将化学能转化为电能
B．电池放电的过程一定发生了化学变化
C．电能不可以转化成化学能
D．利用化学反应中的能量变化，人们可以开发新的能源

参考答案：

提问用户：u7***kix

可能感兴趣的题目：

1 【题文】I always tell my students _________ on the road because it’s really dangerous. A．not to play B．to play not C．not playing D．not play
2 决定航摄设计的设计用图比例尺的主要因素是( )。 A 测区地形情况 B 摄影季节 C 成图比例尺 D 摄影比例尺
3 下列各句中，加点的成语使用恰当的一项是（3分） A．我的态度很鲜明，我的发言表明了我的立场，我对任何邪教的言论不赞一词，对他们的行为深恶痛绝。 B．“9.15”案件发生后，根据知情人提供的线索，公安人员按图索骥，很快找到了犯罪嫌疑人的巢穴。 C．这则笑话因为对漠不关心人民疾苦的官员讽刺得很有力量，在民间流传很广，影响极大。 D．今年以来,上海市检察机关立案侦查贪污贿赂案件277件313人。人们感慨，钱真是让人利令智昏的东西。
4 如图，在数轴上有A，B，C，D四个整数点（即各点均表示整数），且2AB=BC=3CD，若A、D两点表示的数的分别为－5和6，那么，该数轴上上述五个点所表示的整数中，离线段BD的中点最近的整数是 A．0 B．1 C．2 D．3
5 若是方程2mx-ny=-2的一个解，则3m+3n-5的值等于 A.-8 B.-4 C.-2 D.2
6 已知C+H 2O CO↑+H 2↑，由此作出的下列判断中不正确的是 [ ] A．水有时也能用作氧化剂 B．利用此反应可将煤转化为气体燃料，利于管道输送 C．向高温燃煤中喷洒水，有时不能灭火，还可能使燃烧更旺 D．此反应解决了水变氢气的问题，进而彻底解决了能源问题
7 在战略关联产业中，特点为能对较多产业产生带动和推动作用，是前后关联和旁侧关联度较大的产业称为(　　)。 A 基础产业 B 主导产业 C 支柱产业 D 先导产业
8 印度产生旱涝灾害的主要原因是（） A．西南季风的不稳定 B．东北季风势力强 C．东北季风势力弱 D．气候炎热降水少
9 Diving or Drowning A rich young man decided that he would like to do some diving in the sea, so he bought a rubber suit and all the other things that he needed, and took some lessons at a diving school. Then one day he walked into the water by himself and began to explore the bottom of the sea. He saw a lot of beautiful fish and other things, and then, after half an hour, he suddenly saw a man waving his arms and legs around wildly near the bottom of the sea. He was wearing only a bathing suit. The rich young man was very surprised to see him, so he took out a plastic notebook and a special pencil, which could write under water, and wrote, “What are you doing here?” He showed the notebook to the other man, who then took the pencil and wrote, “Drowning!”What did the rich young man want to do?How did he prepare himself for this?What did he first see at the bottom of the ocean?What was the man doing?What did the rich young man do? driving,diving,walking,swimming,driving,diving,walking,swimming,He bought all the things needed for diving.,He took a diving lesson,He bought a rubber suit and a bathing suit.,both a and b.,He bought all the things needed for diving.,He took a diving lesson,He bought a rubber suit and a bathing suit.,both a and b.,some fish,some plants,a man with a bathing suit,a man with a diving suit,some fish,some plants,a man with a bathing suit,a man with a diving suit,swimming,diving,searching for fish,drowning,swimming,diving,searching for fish,drowning,He talked with him.,He pulled the man out of water.,He communicated with the man by writing.,He gave his suit to the man.,He talked with him.,He pulled the man out of water.,He communicated with the man by writing.,He gave his suit to the man.
10 区分日常生活中的下列各组物质，其中两种方法都正确的是 A.A B.B C.C D.D