question_answer

  Give two reasons to justify the following observations: (a) Water at room temperature is a liquid. (b) An iron almirah is solid at room temperature.                                          [NCERT]

Answer:

               (a) (i) Water at room temperature is a liquid because the intermolecular forces are strong enough to keep its particles bound to each other. (ii) It has fixed volume but not fixed shape. (b} (i) It has fixed shape and volume. (ii) It cannot flow.