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प्रश्न
Chemical reactions may proceed with evolution of heat. Give an example.
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उत्तर
Chemical reaction is characterised by evolution of heat:
\[\ce{\underset{\text{carbon}}{C} +\underset{\text{oxygen}}{O2}->\underset{\text{carbon dioxide}}{CO2} + Heat}\]
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संबंधित प्रश्न
What do you observe when Ammonia is brought in contact of hydrogen chloride.gas.
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State the gaseous product formed, when
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| Colum I | Column II | ||
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| 4. | Seasonal changes | d. | Pure solid |
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Give scientific reasons.
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