Advertisements
Advertisements
प्रश्न
Prepare a list of objects around you that are electroplated.
Advertisements
उत्तर
Examples of electroplated objects are as follows:
- Chromium plating is done on different parts of cars, buses and motor cycles to give them a shiny appearance.
- A fine layer of gold is deposited on the silver ornaments and they are called gold-plated ornaments.
- Iron used in constructing a building is coated with a layer of zinc. This protects iron from corrosion and rusting.
APPEARS IN
संबंधित प्रश्न
In an electrolyte the current is due to the flow of ______.
An electric current can produce
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.
Why is tin electroplated on iron to make cans used for storing food?
A chemical reaction happens when electricity passes through various conducting liquids.
The terminal which is connected to a positive terminal of a battery is called ______.
______ is used in the extraction and purification of metals.
What are anodes and cathodes?
