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5．将铜片和锌片用导线连接后插入番茄里 如右图所示电流计指针�生偏转锌片是 A．负极 b．正极 c．阴极 d．阳极——青夏教育精英家教�—— Template






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sketch 3300
sketch 3381 DBZ by Adidtzu Ady
sketch 3732 Michael Jackson by David Obando
sketch 811
sketch 1451 mi6softlab vibra
sketch 3039 Anonymous by Gootee Jaroonsit
sketch 4454 Lisa by Muhammad Raiyaan
sketch 5361 Emma Watson by Glynis June Williams

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sketch 5080 Megaman Zero (X) by Muhammad Raiyaan
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tomski5．将铜片和锌片用导线连接后插入番茄里 如右图所示电流计指针�生偏转锌片是 a．负极 coloring
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5．将铜片和锌片用导线连接后插入番茄里 如右图所示电流计指针生偏转锌片是 A．负极 B．正极 C．阴极 D．阳极——青夏教育精英家教—— sketch template
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1． 在番茄上相隔一定距离分别插入铜片Cu和锌片Zn，即为番茄电池．将铜片、锌片与电压表相连，如图所示．下列说法正确的是（ ） A 锌 百度教育 sketch template
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用砂纸擦除铜片和锌片表面的氧化膜用导线将铜片和锌片分别连接到电流计上然后把锌片和铜片一起插入盛有硫酸铜溶液的烧杯中下列说法错误的是A sketch template
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在烧杯中加入盐水，将铜片和锌片插入盐水中，就制成了一个电池。用电压表测量这个自制电池的电压，其现象如图所示。下列说法中错误的是（ sketch template
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题目小明将铜片锌片插入柠檬制成柠檬电池如图甲1柠檬电池的正极是 2小首看到小明做了个水果电池并测出了电压她想饮料可乐能 sketch template
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如右图锌片和铜片用导线连接后插入稀硫酸中铜片 A 作负极 B 析出气体 C 质量增加 D 质量减小——青夏教育精英家教—— sketch template
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将锌片和铜片用导线相连后插入稀硫酸溶液中构成原电池．下列叙述不正确的是 A．铜片质量不变B．锌片生氧化反应C．该装置将化学能转变为电能D sketch template
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常用导线、电线连接方法、电工电线接线方法图解 sketch template
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用铜片锌片和稀硫酸及若干其他器材组合成一个原电池画出装置图并回答 1画出装置图2从理论上讲预期看到的现象是 3实验过程中 sketch template
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某同学用铜片和锌片相隔一定距离平行插入土豆内，制成 高途 sketch template
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11．如图所示在烧杯中加入盐水然后将连在电压表上的铜片和锌片插入盐水中这样就制成了一个电池．观察电压表指针的偏转与接线可知 片是电池的 sketch template
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如图所示在烧杯中加入盐水然后将连在电压表上的铜片和锌片插入盐水中这样就制成了一个盐水电池．观察电压表的接线和指针偏转可知铜片是盐水电池 sketch template
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小敏阅读教材得知：将铜片和锌片同时插入稀H2SO4 ， 可以组成一个电池图甲。那么该电池的正负极与什么有关【参考答案 sketch template
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图为铜 锌 稀硫酸原电池示意图下列说法正确的是 A．电子由铜片通过导线流锌片B．锌得电子被还原C．锌为负极铜为正极D．该装置能将 sketch template
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11．如图所示在烧杯中加入盐水然后将连在电压表上的铜片和锌片插入盐水中这样就制成了一个电池．观察电压表指针的偏转与接线可知 片是电池的 sketch template
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自制一个水果电池找一根5 Cm长的铜片或粗铜丝再从废干电池上剪一条2 Cm宽的锌皮刮净后把铜片和锌皮分别插入水果里就制成了一个水果 sketch template
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题目在“探究水果电池电压 的实验中小明用铜片和锌片作为电极插入较小的柠檬制成了一个水果电池如图所示小华用铜片和铝片插入较大的柠檬也 sketch template
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如图所示为铜锌原电池下列说法不正确的是 A锌片为负极 B铜片上有气泡产生 C电子由铜片经导线流锌片 D一段时间后溶液中氢离子的物质 sketch template
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物理课后小南和小雄将一块铜片和一块锌片插入西红柿做成了一个“西红柿电池 小南和小雄想探究“西红柿电池的电压大小与哪些因素有关 小雄说 sketch template
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题目将两个属电极锌片和铜片插入一个水果中就可以做成一个水果电池某兴趣小组欲测量水果电池的电动势和内阻．1甲同学用多用表的直流电压 sketch template
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13．如图 甲把锌片和铜片用导线相连后插入稀硫酸溶液构成原电池某实验兴趣小组做完实验后在读书卡上的记录如图乙所示则卡片上的描述合理的是 sketch template
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如图所示在每个水果上插入铜片和锌片用导线把这几个水果与光二极管连接起来二极管便出了光其中插入属片的水果相当于电路中的 A sketch template
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用铜片锌片和200mL稀H2SO4等组成原电池若整个实验过程有6．5 G锌溶解此时H2SO4恰好全部用完回答下列问题 1写出正极 sketch template
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用砂纸擦去铜片和锌片表面的氧化膜用导线将铜片和锌片连接到电流表的正负极然后把锌片和铜片一起插入盛有硫酸铜溶液的烧杯中 电流表指针为 sketch template
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用铜片锌片和稀硫酸及若干其他器材组合成一个原电池画出装置图并回答 1画出装置图2从理论上讲预期看到的现象是 3实验过程中 sketch template
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将锌片和铜片用导线连接置于稀硫酸溶液中下列各叙述正确的是 A．锌片做负极锌生还原反应B．铜片做正极铜得电子C．溶液中的pH值减小D sketch template
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将锌片和铜片按图示方式插入柠檬中电流计指针生偏转．下列针对该装置的说法正确的是 A将电能转换为化学能B电子由铜片流出C锌片是 sketch template
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20．某化学兴趣小组将锌片和铜片插入番茄中制成水果电池下列有关说法正确的是 A．一段时间后锌片质量会变小 B．铜片上生氧化反应 C sketch template
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黄铜是铜锌合，将纯铜片和黄铜片相互刻划如右图所示，是 为了比较二者的 点燃 A．硬度 B．延展性 C．密度 D．颜色——青夏教育精英家教—— sketch template
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题目将纯锌片和纯铜片按图示方式插入同浓度的稀硫酸中一段时间以下叙述正确的是A．两烧杯中铜片表面均无气泡产生B．甲中铜片是正极乙中铜片是 sketch template
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某化学兴趣小组将锌片和铜片出入番茄中制成水果电池下列说法中正确的是 A．一段时间后锌片质量会变小B．铜片上生氧化反应C．电子由铜片通过 sketch template
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黄铜是铜锌合，将纯铜片和黄铜片互相刻画，如图所示，纯铜片上留下明显的划痕．该实验探究的目的是什么？结论是什么？ 作业帮 sketch template