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प्रश्न
Why is tin electroplated on iron to make cans used for storing food?
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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.
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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.
The process of depositing a layer of any desired metal on another material by means of electricity is called ______.
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
Which of the following metals is used in electroplating to make objects appear shining?
The object to be electroplated is taken as ______ electrode.
Paheli set up an experiment using liquid A in the beaker as shown in the following figure. She observed that the bulb glows. Then she replaced the liquid A by another liquid B. This time the bulb did not glow. Boojho suggested replacing the bulb by an LED. They observed that the LED glows. Explain.
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.
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(a) |
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______ |
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(b) |
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______ |
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(c) |
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______ |
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(d) |
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______ |
The terminal which is connected to a positive terminal of a battery is called ______.
