1.

Give reasons of the following

Answer»

HII

ANSWER:-----

1.)NAPTHALENE BALLS DISAPPEARS IN THE AIR AIR COMPLETELY THIS IS BECAUSE IT GOES UNDER THE PROCESS OF THE SUBLIMATION THAT IS DIRECT CONVERSION OF SOLID INTO GASEOUS STATE AND VICE VERSA.

2.)WE CAN GET THE SMELL OF THE PERFUME EVEN IT IS SEVERAL METRES AWAY THIS US BECAUSE THE PARTICLES OF THE PERFUME GETS INTO THE SPACES PRESENT BETWEEN THE AIR AND ALSO THE KINETIC ENERGY OF THE GAS MOLECULES IS HIGH AND THE RATE OF DIFFUSION IS HIGH.




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