Science, asked by awantika2066, 1 year ago

why does rusting occur? give 4 ways to prevent rusting

Answers

Answered by nvsatish
24
Rust is a form of iron oxide. It occurs when iron combines with the oxygen in the air causing it to corrode. Rust can affect iron and its alloys, including steel.
Ways of prevention
Galvanisation
Applying oil on its surface
Keeping it away from moisture
Answered by Suryavardhan1
15
HEY!!

✴WHAT IS RUST?

✔You must have observed that when articles of iron are kept out in the open for some time, they get covered by a brownish substance. This brownish substance is called rust.

✴WHAT IS THE CAUSE OF RUSTING?

✔The two main factors that cause rusting are oxygen and water. As soon as the article comes in contact with air (oxygen) and moisture (water), it starts rusting.

✔ The chemical process that occurs during rusting can be represented as follows:

Iron (Fe) + Oxygen (O2) + Water (H2O) → Rust (Fe2O3)

✴WHAT ARE THE WAYS BY WHICH WE CAN PREVENT AN OBJECT TO BE RUSTED?

Four ways to prevent rusting are:-

✔By painting, oiling , gresing the metallic suface.

✔By galvanising the metal

✔By apply chromium over the metal.

✔By electroplating
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