Advertisements
Advertisements
प्रश्न
Why is tin electroplated on iron to make cans used for storing food?
Advertisements
उत्तर
Electroplating of tin is done on the iron to make cans used for storing food because tin is less reactive than iron. Coating of tin prevents food from coming in contact with iron and thus, prevents it from getting spoiled.
APPEARS IN
संबंधित प्रश्न
The passage of an electric current through a solution causes ______ effects.
When electric current is passed through a conducting solution, there is a change of colour of the solution. This indicates
Which of the following metals is used in electroplating to make objects appear shining?
The object to be electroplated is taken as ______ electrode.
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?
In the circuit given as figure, Boojho observed that copper is deposited on the electrode connected to the negative terminal of the battery. Paheli tried to repeat the same experiment. But she could find only one copper plate. Therefore, she took a carbon rod as negative electrode. Will copper still be deposited on the carbon rod? Explain your answer.
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 ______.
Name the process which shows the chemical effect of electric current?
State some advantages of electroplating.
