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
In an electrolyte the current is due to the flow of ______.
An electric current can produce
Boojho and Paheli performed experiments taking similar bulbs and cells but two different solutions A and B as shown in the following figure.
 |
 |
| Boojho's Experiment | Paheli's Experiment |
| (A) | (B) |
They found that the bulb in the setup A glows more brightly as compared to that of the setup B. You would conclude that
Boojho’s uncle has set up an electroplating factory near his village. He should dispose off the waste of the factory
When electric current is passed through a conducting solution, there is a change of colour of the solution. This indicates
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.
A chemical reaction happens when electricity passes through various conducting liquids.
Assertion: Parts of cars and bicycles are made iron with chromium coating.
Reason: Chromium does not corrode and resist scratches.
What are anodes and cathodes?
