The correct statements for second law of thermodynamics is/are A. Heat does not flow spontaneously from a cool body to a hotter body B. The entropy of perfectly crystalline substance is zero at 0 K. C. No process is possible in which the sole result is the absorption of heat from a reservoir and its complete conversion to work. D. For a spontaneous change ΔStotal > 0 Choose the most appropriate answer from the options given below: