is the process of conversion of a substance directly from solid state to its gaseous state.
A
Sublimation
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B
Evaporation
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C
Condensation
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D
Diffusion
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Solution
The correct option is A Sublimation Sublimation is the process of conversion of a substance directly from solid state to its gaseous state. E.g - Dry ice is solid carbon dioxide. At room temperature it directly changes into gas from solid state.