question_answer 1)

    In the following questions two or more options may be correct. With regard to the gaseous state of matter which of the following statements are correct? (a) Complete order of molecules                              (b) Complete disorder of molecules (c) Random motion of molecules                              (d) Fixed position of molecules

Answer:

    (b, c) Gas molecules are always in zig-zag random motion, colliding with each other and with the wall of container. Thus, gaseous state represents complete disorder of molecules and their random motion.