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Question
Electroplating of ______ is done on objects like water taps and cycle bell to give them a shiny appearance.
Solution
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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RELATED QUESTIONS
The passage of an electric current through a solution causes ______ effects.
If you pass current through copper sulphate solution, copper gets deposited on the plate connected to the ______ terminal of the battery.
In an electrolyte the current is due to the flow of ______.
An electric current can produce
Boojho and Paheli performed experiments taking similar bulbs and cells but two different solutions A and B as shown in the figure.
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Boojho's Experiment | Paheli's Experiment |
(A) | (B) |
They found that the bulb in the set up A glows more brightly as compared to that of the set up B. You would conclude that
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.
Match the following
1. | Anode | a. | Conducting solution |
2. | Cathode | b. | Positive terminal |
3. | Ions | c. | Negative terminal |
4. | Electrolyte | d. | Positively or negatively charged |
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?