हिंदी

Electroplating of ______ is done on objects like water taps and cycle bell to give them a shiny appearance.

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प्रश्न

Electroplating of ______ is done on objects like water taps and cycle bell to give them a shiny appearance.

रिक्त स्थान भरें
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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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Effects of Electric Current - Chemical Effects of Electric Current
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अध्याय 14: Chemical Effects of Electric Current - Very Short Answer Questions [पृष्ठ ७९]

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एनसीईआरटी एक्झांप्लर Science Exemplar [English] Class 8
अध्याय 14 Chemical Effects of Electric Current
Very Short Answer Questions | Q 8. (d) | पृष्ठ ७९

संबंधित प्रश्न

Prepare a list of objects around you that are electroplated.


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


One of the most common applications of chemical effect of electric current is ______.


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.


The most common industrial application of chemical effects of electric current is ______.


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?


State some advantages of electroplating.


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