Answers

2015-09-28T18:11:22+05:30
Sublimation occurs only when the solid gets heat .because naphthalene balls takes heat from surroundings and change its state . and ammonium chloride is heated with a burner so that it can get heat and as a result it can sublime .so the answer is false.

 hope this will help 
1 4 1
THE QUESTION IS DOES IT NEEDS TO BE HEATED
i have just explain it
BUT SHOULD NT U ANSWER TO THE QUSTION
the answer is false and it is written above.
OK FINE CHILL OUT