I. Heat is absorbed from the surrounding
II. The heat content of the products is more than that of the reactants
III. The enthalpy change is positive
IV. The surrounding is at a lower temperature than the system.
A. l only
B. l and ll only
C. l,ll and lll only
D. l, ll, lll and lV
Correct Answer: Option D
D. l, ll, lll and lV
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