GK
CHEMISTRY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
phase
|
|
|
vapor
|
|
|
gas
|
|
|
plasma
|
Detailed explanation-1: -Vapour is the gaseous form of a substance that’s normally a liquid or solid at room temperature, while gas refers to any substance in a gaseous state at room temperature.
Detailed explanation-2: -Vapor refers to a gas phase at a temperature where the same substance can also exist in the liquid or solid state, below the critical temperature of the substance. (For example, water has a critical temperature of 374 °C (647 K), which is the highest temperature at which liquid water can exist.)
Detailed explanation-3: -A vapor refers to a gas-phase material that that normally exists as a liquid or solid under a given set of conditions. As long as the temperature is below a certain point (the critical temperature; this varies for each substance), the vapor can be condensed into a liquid or solid with the application of pressure.
Detailed explanation-4: -The gaseous state of atmospheric water is termed water vapor or simply vapor.