Question

Question:-

In the procedure of sublimation, the inverted funnel in plugged with cotton, because __________.

A . Cotton stops external air to enter in funnel

B . Cotton helps in sublimation

C . Ammonium chloride is a evaporating substance, which directly evaporate on heating without converting into liquid phase.

D . All of these
Please help me fast

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Answer 1

Ans

C is current answer

Answer 2

Answer:

and:d............................