What is Galvanisation? Explain its importance.

1.	What is Galvanisation? Explain its importance.
Answer» 1. Some articles made up of iron, don’t get rusted even they are exposed to air. 2. To prevent iron articles from coming into contact with oxygen in air or water or both, we deposit a layer of a metal like Chromium or Zinc on them. 3. This process of depositing a layer of zinc or Chromium on Iron is called Galvanisation. 4. Generally we use Zinc for such type of coatings. 5. We find in our house that water pipe lines are without rust on them. 6. If we observe carefully, we notice that there is some metallic coating on these pipes to prevent rusting. 7. They do not get rusted even after a long time since they are galvanized. 8. The process of depositing one metal on another metal is called galvanisation.

Answer»

1. Some articles made up of iron, don’t get rusted even they are exposed to air.

2. To prevent iron articles from coming into contact with oxygen in air or water or both, we deposit a layer of a metal like Chromium or Zinc on them.

3. This process of depositing a layer of zinc or Chromium on Iron is called Galvanisation.

4. Generally we use Zinc for such type of coatings.

5. We find in our house that water pipe lines are without rust on them.

6. If we observe carefully, we notice that there is some metallic coating on these pipes to prevent rusting.

7. They do not get rusted even after a long time since they are galvanized.

8. The process of depositing one metal on another metal is called galvanisation.

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