Differentiate between Rusting and Burning
By Balaji
Updated on: February 17th, 2023
The difference between rusting and burning is that burning only needs oxygen, whereas rusting requires both oxygen and moisture to form. Since combustion creates energy from heat and light, rusting cannot be compared to combustion. Rusting does not involve any energy production.
Table of content
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1. Difference between Rusting and Burning
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2. Differentiate between rusting and burning
Difference between Rusting and Burning
The major differences between burning and rusting have been elaborated in the table given below:
| Rusting | Burning |
|---|---|
| The process of formation of red oxide or iron oxide on the surface of iron and alloys, when exposed to air and moisture, is called rusting. | The process where a substance reacts with oxygen by releasing heat and light |
| It requires both oxygen and moisture. | Only oxygen is required, and moisture is not needed |
| Gradual process | Rapid process |
| Occurs at low temperature | Occurs at high temperature |
| Takes place in iron, and its alloys | Take place in paper, rubber, fuel, and other substances |
| It results in a reddish coating on the surface due to the formation of red or iron oxide. | It results in black soot and smoke particles. |
Factors Affecting Rusting
Many factors increase rusting, like the environment’s pH and moisture content. Some of the factors are given here.
- Moisture: The presence of water is a requirement for corrosion to occur. The primary cause of rusting is exposure to rain.
- Acid: The rusting process is accelerated when the pH of the environment around the metal is lower. Being subjected to acid rain causes rusting to worsen. The pH scale shows that iron corrosion increases as pH rises.
- Salt: Iron rusts quickly due to the abundance of salt in the sea. Due to the presence of numerous ions in saltwater, electrochemical reactions speed up the rusting process.
- Impurity: Pure iron rusts more slowly than iron that contains a mix of metals.
The object size of iron can affect the process of rusting. For instance, an iron object has small deficiencies because of smelting.
Summary:
Differentiate between rusting and burning
Rusting is the formation of red oxide or iron oxide on the surface of iron and alloys when exposed to air and moisture. Burning is when a substance reacts with oxygen by releasing heat and light.
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