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प्रश्न
Electroplating of ______ is done on objects like water taps and cycle bell to give them a shiny appearance.
उत्तर
Electroplating of Chromium is done on objects like water taps and cycle bell to give them a shiny appearance.
Explanation -
Because chromium has a shiny appearance, it resists scratches and does not corrode.
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संबंधित प्रश्न
The process of depositing a layer of any desired metal on another material by means of electricity is called ______.
Name three liquids, which when tested in the manner shown in Figure, may cause the magnetic needle to deflect.
The object to be electroplated is taken as ______ electrode.
Why is tin electroplated on iron to make cans used for storing food?
In the circuit given in the 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 be still 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.
Liquids that conduct electricity are the solutions of ______.
Assertion: Parts of cars and bicycles are made iron with chromium coating.
Reason: Chromium does not corrode and resist scratches.
Name the process which shows the chemical effect of electric current?
What are anodes and cathodes?
