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प्रश्न
Boojho’s uncle has set up an electroplating factory near his village. He should dispose off, the waste of the factory
पर्याय
in the nearby river
in the nearby pond
in the nearby cornfield
according to the disposal guidelines of the local authority
उत्तर
according to the disposal guidelines of the local authority
Explanation -
In electroplating factory, the disposal of the used conducting solution is a major concern because it is a polluting waste, therefore it should be disposed off according to the disposal guidelines of the local authority.
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संबंधित प्रश्न
The passage of an electric current through a solution causes ______ effects.
Name three liquids, which when tested in the manner shown in Figure, may cause the magnetic needle to deflect.
Prepare a list of objects around you that are electroplated.
In an electrolyte the current is due to the flow of ______.
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?
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.
Liquids that conduct electricity are the solutions of ______.
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 |
