Question

describe sublimation process​

Answer 1

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The term sublimation is the transformation or conversion that substances undergo when passing from one state to another, for example from a solid substance to gas.

Answer 2

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Sublimation is the conversion between the solid and the gaseous phases of matter, with no intermediate liquid stage. For those of us interested in the water cycle, sublimation is most often used to describe the process of snow and ice changing into water vapor in the air without first melting into water.