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प्रश्न
The process of depositing a layer of any desired metal on another material by means of electricity is called ______.
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उत्तर
The process of depositing a layer of any desired metal on another material by means of electricity is called electroplating.
Explanation:
It is one of the most common applications of the chemical effects of electric current. Electroplating is a very useful process. It is widely used in the industry to coat metal objects with a thin layer of a different metal.
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संबंधित प्रश्न
The passage of an electric current through a solution causes ______ effects.
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’s uncle has set up an electroplating factory near his village. He should dispose off the waste of the factory
One of the most common applications of chemical effect of electric current is ______.
Electroplating of ______ is done on objects like water taps and cycle bell to give them a shiny appearance.
Why is tin electroplated on iron to make cans used for storing food?
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.
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(a) |
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______ |
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(b) |
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______ |
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(c) |
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______ |
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(d) |
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______ |
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.
Assertion: Parts of cars and bicycles are made iron with chromium coating.
Reason: Chromium does not corrode and resist scratches.
