question_answer 28)

                  Heat is associated with                 (a) kinetic energy of random motion of molecules.                 (b) kinetic energy of orderly motion of molecules.                 (c) total kinetic energy of random and orderly motion of molecules.                 (d) kinetic energy of random motion in some cases and kinetic energy of orderly motion in other.                

Answer:

                  (a) The option is self-explanatory.