Can the process of rusting be called combustion? Give reason for your answer.
Answers
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5
Answer:
No rusting cannot be called as a combustion process. ... Whereas rusting is a redox reaction between a metal and oxygen in the presence of moisture. Combustion produces energy in the form of heat. No energy is obtained in a rusting process.
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1
Rusting is not combustion
Explanation:
Rusting is caused by the oxidation of iron to form Fe2O3. When iron is exposed to damp air for a considerable time, it gets covered with a red-brown flaky substance called rust.
Two essential conditions for rusting are:
- Presence of oxygen.
- Presence of water whose pH is in acidic range.
It can't be called a combustion because combustion does not require water. Combustion is an exothermic reaction. Rusting is not exothermic, it is a redox reaction.
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