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Subject :NSO    Class : Class 5
What is it called when a solid changes directly into a gas?

Ans 1:

Class : Class 2

Ans 2:

Class : Class 8
Deposition is a thermodynamic process, a phase transition in which gas transforms into solid. The reverse of deposition is sublimation. One example of deposition is the process by which, in sub-freezing air, water vapor changes directly to ice without first becoming a liquid.

Ans 3:

Class : Class 5
when a solid changes into a liquid the process is called melting

Ans 4:

Class : Class 2

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