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Subject :NSO    Class : Class 9
The direct conversion of solid to gas A.sublimation B.deposition C.freezing D.luquification

Ans 1:

from ,
Class :
Ans. is A sublimation

Ans 2:

from ,
Class :
Sublimation because it is the process of change of state of matter from solid to gas without changing into liquid state.

Ans 3:

from ,
Class :
The answer is A.sublimation

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