Question

give 2 examples of sublime substances​

Answer 1

Answer:

Examples of solids that sublime are dry ice (solid carbon dioxide), iodine, arsenic, and naphthalene (the stuff mothballs are made of).

Explanation:

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Answer 2

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✪SUBLIMATION

✫Sublimation is the process of change in a state of matter , just like melting , freezing or evaporation.

✫In the process of sublimation, a substance changes from its solid phase to its gaseous phase without passing through its liquid phase.

✫Sublimation is caused by the absorption of heat which provides enough energy for some molecules to overcome the attractive forces of their surrounding molecules and escape into the vapour phase.

✪SUBLIME SUBSTANCES

✵Typically,solids undergo sublimation at low pressures(in vacuum).

✵At standard atmospheric pressure, very few solids sublime.

Examples of such substances are - iodine, naphthalene, arsenic.

However, the term sublimation refers to a physical change of state , and is not used to describe the transformation of a solid to a gas in a chemical reaction.

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