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तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएस.एस.एल.सी. (इंग्रजी माध्यम) इयत्ता ९

In an electrolyte the current is due to the flow of ______. - Science

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प्रश्न

In an electrolyte the current is due to the flow of ______.

पर्याय

  • electrons

  • positive ions

  • both (a) and (b)

  • neither (a) nor (b)

MCQ
रिकाम्या जागा भरा
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उत्तर

In an electrolyte the current is due to the flow of electrons.

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Effects of Electric Current - Chemical Effects of Electric Current
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पाठ 4: Electric charge and Electric current - Exercise [पृष्ठ ४९]

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सामाचीर कलवी Science [English] Class 9 TN Board
पाठ 4 Electric charge and Electric current
Exercise | Q I. 6. | पृष्ठ ४९

संबंधित प्रश्‍न

The process of depositing a layer of any desired metal on another material by means of electricity is called ______.


Prepare a list of objects around you that are electroplated.


The process that you saw in the image is used for the purification of copper. A thin plate of pure copper and a thick rod of impure copper are used as electrodes. Copper from impure rod is sought to be transferred to the thin copper plate. Which electrode should be attached to the positive terminal of the battery and why?


Boojho’s uncle has set up an electroplating factory near his village. He should dispose off the waste of the factory


Which of the following metals is used in electroplating to make objects appear shining?


The object to be electroplated is taken as ______ electrode.


Observe the following circuits carefully. In which circuit will the bulb glow? Write Yes or No in the blank space provided along each of the circuit given in the figure.

(a)


Piece of coal

______

(b)


Iron nail

______

(c)


Eraser

______

(d)


Steel spoon

______

In the circuit given as figure, Boojho observed that copper is deposited on the electrode connected to the negative terminal of the battery. Paheli tried to repeat the same experiment. But she could find only one copper plate. Therefore, she took a carbon rod as negative electrode. Will copper still be deposited on the carbon rod? Explain your answer.


A chemical reaction happens when electricity passes through various conducting liquids.


Liquids that conduct electricity are the solutions of ______.


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