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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