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प्रश्न
Electroplating of ______ is done on objects like water taps and cycle bell to give them a shiny appearance.
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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 ______.
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
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?
One of the most common applications of chemical effect of electric current is ______.
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.
Explain the following:
Short circuit.
______ is used in the extraction and purification of metals.
Assertion: Parts of cars and bicycles are made iron with chromium coating.
Reason: Chromium does not corrode and resist scratches.
State some advantages of electroplating.
