Advertisements
Advertisements
प्रश्न
Which of the following metals is used in electroplating to make objects appear shining?
विकल्प
Iron
Copper
Chromium
Aluminium
उत्तर
Chromium
Explanation -
Chromium is used for electroplating to make objects appear shining because chromium has a shiny appearance and it resists scratches.
APPEARS IN
संबंधित प्रश्न
If you pass current through copper sulphate solution, copper gets deposited on the plate connected to the ______ terminal of the battery.
One of the most common applications of chemical effect of electric current is ______.
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?
Why is tin electroplated on iron to make cans used for storing food?
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) |
Piece of coal |
______ |
|
(b) |
Iron nail |
______ |
|
(c) |
Eraser |
______ |
|
(d) |
Steel spoon |
______ |
Explain the following:
Short circuit.
The most common industrial application of chemical effects of electric current is ______.
Liquids that conduct electricity are the solutions of ______.
Name the process which shows the chemical effect of electric current?
What are anodes and cathodes?
