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The process by which solid directly changes into vapour
- a)Condensation
- b)Sublimation
- c)Melting
- d)Freezing
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
The process by which solid directly changes into vapoura)Condensation...
Sublimation
Sublimation is the process by which a solid directly changes into a gas without passing through the liquid state. This occurs when the atmospheric pressure is lower than the vapor pressure of the solid substance. Here is a detailed explanation of sublimation:
Definition
Sublimation is the transition of a substance from the solid phase to the gas phase without passing through the intermediate liquid phase.
Process
- In sublimation, solid particles gain enough energy to break free from the solid state and enter the gas phase directly.
- This process is the reverse of deposition, where gas changes directly into a solid.
Examples
- One common example of sublimation is dry ice (solid carbon dioxide) turning into carbon dioxide gas without melting.
- Another example is the process of mothballs slowly sublimating and releasing a gas that repels insects.
Significance
- Sublimation is used in various applications, such as in the purification of substances and in the production of certain chemicals.
- It is also utilized in freeze-drying processes to remove moisture from food and pharmaceutical products.
In conclusion, sublimation is a unique process where a solid substance transforms directly into a gas under specific conditions.
Sublimation is the process by which a solid directly changes into a gas without passing through the liquid state. This occurs when the atmospheric pressure is lower than the vapor pressure of the solid substance. Here is a detailed explanation of sublimation:
Definition
Sublimation is the transition of a substance from the solid phase to the gas phase without passing through the intermediate liquid phase.
Process
- In sublimation, solid particles gain enough energy to break free from the solid state and enter the gas phase directly.
- This process is the reverse of deposition, where gas changes directly into a solid.
Examples
- One common example of sublimation is dry ice (solid carbon dioxide) turning into carbon dioxide gas without melting.
- Another example is the process of mothballs slowly sublimating and releasing a gas that repels insects.
Significance
- Sublimation is used in various applications, such as in the purification of substances and in the production of certain chemicals.
- It is also utilized in freeze-drying processes to remove moisture from food and pharmaceutical products.
In conclusion, sublimation is a unique process where a solid substance transforms directly into a gas under specific conditions.
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Community Answer
The process by which solid directly changes into vapoura)Condensation...
Sublimation is the process when a solid is heated and it directly changes into its gaseous form without changing into liquid state.
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The process by which solid directly changes into vapoura)Condensationb)Sublimationc)Meltingd)FreezingCorrect answer is option 'B'. Can you explain this answer?
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