give reasons of the following
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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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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.
HOPE THIS HELPS YOU
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a. Because napthalene balls undergo sublimation and it makes them converted into vapour and they disappear in air comletely witb respect to time.
b. We can get the smell of perfume even it is several metres away because the particle of perfume are in the form of air particles when the are released and they diffuses very fast in the airand the smell reaches us with resoect to time. This is same as happens with hot sizzling food.
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b. We can get the smell of perfume even it is several metres away because the particle of perfume are in the form of air particles when the are released and they diffuses very fast in the airand the smell reaches us with resoect to time. This is same as happens with hot sizzling food.
I hope it helps you. Pls mark as brainlist if it helps you....
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