Advertisements
Advertisements
प्रश्न
The process of depositing a layer of any desired metal on another material by means of electricity is called ______.
Advertisements
उत्तर
The process of depositing a layer of any desired metal on another material by means of electricity is called electroplating.
Explanation:
It is one of the most common applications of the chemical effects of electric current. Electroplating is a very useful process. It is widely used in the industry to coat metal objects with a thin layer of a different metal.
संबंधित प्रश्न
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.
Name three liquids, which when tested in the manner shown in Figure, may cause the magnetic needle to deflect.
Electroplating is an example for ______.
Boojho’s uncle has set up an electroplating factory near his village. He should dispose off the waste of the factory
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.
|
(a) |
|
______ |
|
(b) |
|
______ |
|
(c) |
|
______ |
|
(d) |
|
______ |
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 ______.
