1. Chemical Reactions and Equations
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निम्न पदों का वर्णन कीजिए तथा प्रत्येक का एक-एक उदाहरण दीजिए:

संक्षारण

Option A
Option B
Option C
Option D

Solution

Corrosion:

Corrosion is defined as a process where materials, usually metals, deteriorate as a result of a chemical reaction with air, moisture, chemicals, etc.

For example, iron, in the presence of moisture, reacts with oxygen to form hydrated iron oxide.

$4Fe + 3{O_2} + n{H_2}O \to \mathop {2F{e_2}{O_3}.n{H_2}O}\limits_{Hydrated\,\,iron\,\,oxide} $

This hydrated iron oxide is rust.

Standard 10
Science

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