Sublimating substances
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SUBLIMATION -
the process of converting a solid substance directly to gaseous state is called sublimation
_________________________
The substances that undergo sublimation are called sublimates
they are -
1) ammonium chloride ( NH4Cl )
2) naphtalene
the process of converting a solid substance directly to gaseous state is called sublimation
_________________________
The substances that undergo sublimation are called sublimates
they are -
1) ammonium chloride ( NH4Cl )
2) naphtalene
Firdous11:
thnks a lot
Answered by
9
Sublimation
⫸ Sublimation is the process when, a substance transforms from a solid to a gas without ever going through a liquid phase.
⫸ It includes melting, freezing, and evaporation, is a form of phase transition, or shift in a state of matter.
⫸ It occurs when the particles of a solid absorb enough energy to completely overcome the force of attraction between them. Solid carbon dioxide changes directly to the gaseous state.
⫸ Example :- Snow and ice can sublime in the winter months without melting.
Mothballs and camphor are also an examples of sublimate solids.
⫸ Sublime substance :- camphor, dry ice, iodine crystals, arsenic.
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