question_answer

    Divide the following substances into two groups (i)With high intermolecular forces (ii)With low intermolecular forces Ice, sulphur, vapour, nitrogen, sugar, copper, air, salt, plastic.

Answer:

                                 High intermolecular forces ice, sugar, copper, salt, plastic.                                                  (1) Low intermolecular  forces sulphur,  vapour, nitrogen, air.                                                  (1)