5. Assertion: Rusting of iron metal is the most common form of corrosion Reason: The effect of rusting of iron can be reversed if they are left open in sunlight.
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assertion is true but reasoning is false.
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Answer:
The assertion: Rusting of iron metal is the most common form of corrosion, which is correct.
The reason: The effect of rusting of iron can be reversed if they are left open in sunlight, which is incorrect.
Explanation:
Assertion: Rusting of iron metal is the most common form of corrosion.
- Rusting is an irreversible process.
- It takes place when an iron piece is left out in a humid environment. The iron reacts with water and oxygen present in the air.
- This reaction is called oxidation reaction or corrosion.
- Rusting can be prevented by painting the iron or storing it in oil.
Reason: The effect of rusting of iron can be reversed if they are left open in sunlight.
- The reason is incorrect as rusting is an irreversible process. Keeping a rusted iron under the sun will make no difference. It cannot reverse the rusting process.
Conclusion:
The reason is false while the assertion is correct.
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