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प्रश्न
Electroplating is an example for ______.
पर्याय
heating effect
chemical effect
flowing effect
magnetic effect
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उत्तर
Electroplating is an example for chemical effect.
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संबंधित प्रश्न
Boojho’s uncle has set up an electroplating factory near his village. He should dispose off the waste of the factory
The object to be electroplated is taken as ______ electrode.
Electroplating of ______ is done on objects like water taps and cycle bell to give them a shiny appearance.
Paheli wants to deposit silver on an iron spoon. She took silver nitrate (AgNO3) solution in a beaker and set up a simple circuit for electroplating. Which terminal of the battery should the spoon be connected to? What material should the other electrode be made of?
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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(b) |
|
______ |
|
(c) |
|
______ |
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(d) |
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______ |
The most common industrial application of chemical effects of electric current is ______.
______ is used in the extraction and purification of metals.
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 |
State some advantages of electroplating.
What are anodes and cathodes?
