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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
Name three liquids, which when tested in the manner shown in Figure, may cause the magnetic needle to deflect.
The process that you saw in the image is used for the purification of copper. A thin plate of pure copper and a thick rod of impure copper are used as electrodes. Copper from impure rod is sought to be transferred to the thin copper plate. Which electrode should be attached to the positive terminal of the battery and why?
In an electrolyte the current is due to the flow of ______.
Which of the following metals is used in electroplating to make objects appear shining?
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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______ |
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(b) |
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______ |
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(c) |
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______ |
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(d) |
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______ |
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.
The most common industrial application of chemical effects of electric current is ______.
The terminal which is connected to a positive terminal of a battery is called ______.
What are anodes and cathodes?
