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प्रश्न
Give an example of the following chemical changes.
An exothermic and an endothermic reaction involving carbon as one of the reactants.
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उत्तर
Exothermic reaction:
When carbon burns in oxygen to form carbon dioxide, a lot of heat is produced.
C + O2 → CO2 + Heat
Endothermic reaction:
When carbon is heated with sulphur at high temperature, liquid carbon disulphide is formed.
\[\ce{C + 2S ->[\Delta] CS2}\]
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