हिंदी

Which of the following is not an endothermic reaction? (a) CaCO3 -> СaO + CO2 (b) 2H2O -> 2H2 + O2 (c) 6CO2 + 6H2O -> C6H12O6 + 6O2 (d) C6H12O6 + 6O2 -> 6CO2 + 6H2O

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प्रश्न

Which of the following is not an endothermic reaction?

विकल्प

  • \[\ce{CaCO3 -> СaO + CO2}\]

  • \[\ce{2H2O -> 2H2 + O2}\]

  • \[\ce{6CO2 + 6H2O -> C6H12O6 + 6O2}\]

  • \[\ce{C6H12O6 + 6O2 -> 6CO2 + 6H2O}\]

MCQ
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उत्तर

\[\ce{C6H12O6 + 6O2 -> 6CO2 + 6H2O}\]

Explanation:

This equation represents cellular respiration, a vital process where glucose breaks down in the presence of oxygen to release energy for our bodies. Because it releases energy rather than absorbing it, it is highly exothermic.

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अध्याय 1: Chemical Reactions and Equations - Exercise 1 [पृष्ठ ३२]

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लखमीर सिंग Chemistry [English] Class 10
अध्याय 1 Chemical Reactions and Equations
Exercise 1 | Q 43. | पृष्ठ ३२

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