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Endothermic reactions - class-X

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Multiple Choice

Statement I: An exothermic reaction has a positive $\Delta H$.
Statement II: Heat must be added to the system for the reaction to occur.

  1. Statement 1 and Statement 2 are correct and Statement 2 is the correct explanation of Statement 1
  2. Both the Statement 1 and Statement 2 are correct and Statement 2 is NOT the correct explanation of Statement 1
  3. Statement 1 is correct but Statement 2 is not correct
  4. Statement 1 is not correct but Statement 2 is correct.
  5. Both the Statement 1 and Statement 2 are not correct.
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