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प्रश्न
One of the most common applications of chemical effect of electric current is ______.
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उत्तर
One of the most common applications of chemical effect of electric current is electroplating.
Explanation:
It is the process of depositing a layer of any desired metal on another material by means of electricity.
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संबंधित प्रश्न
If you pass current through copper sulphate solution, copper gets deposited on the plate connected to the ______ terminal of the battery.
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?
In an electrolyte the current is due to the flow of ______.
Boojho and Paheli performed experiments taking similar bulbs and cells but two different solutions A and B as shown in the following figure.
 |
 |
| Boojho's Experiment | Paheli's Experiment |
| (A) | (B) |
They found that the bulb in the setup A glows more brightly as compared to that of the setup B. You would conclude that
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.
You are provided with a magnetic compass, an empty matchbox, a battery of two cells and connecting wires. Using these objects, how will you make a tester for testing an electric circuit? Draw the necessary circuit diagram and explain.
A chemical reaction happens when electricity passes through various conducting liquids.
The terminal which is connected to a positive terminal of a battery is called ______.
Liquids that conduct electricity are the solutions of ______.
