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प्रश्न
- Assertion: Rusting of Iron is endothermic in nature.
- Reason: As the reaction is slow, the release of heat is barely evident.
पर्याय
Both A and R are true, and R is the correct explanation of A.
Both A and R are true, and R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.
उत्तर
A is false but R is true.
Explanation:
The combination between iron and wet air that results in rust is an exothermic reaction that produces a lot of heat. This reaction is so gradual that the release of heat is barely noticeable.
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