What is the process of evaporation?

What is the process of evaporation?

• A. Change from solid to liquid
• B. Change from liquid to gas
• C. Change from gas to liquid
• D. Change from liquid to solid

Answer: (B)

The process of evaporation is accurately described as the change from a liquid to a gas. This occurs when molecules in a liquid gain enough energy to overcome the intermolecular forces that hold them together, allowing them to escape into the air as gas. This process takes place at various temperatures, not just at the boiling point, and is influenced by factors such as temperature, surface area, and air movement. In the context of the other options, the changes from solid to liquid, gas to liquid, and liquid to solid represent different physical processes: melting, condensation, and freezing, respectively. Each of these processes involves transitions between different states of matter but does not pertain to the specific phenomenon of evaporation.

The process of evaporation is accurately described as the change from a liquid to a gas. This occurs when molecules in a liquid gain enough energy to overcome the intermolecular forces that hold them together, allowing them to escape into the air as gas. This process takes place at various temperatures, not just at the boiling point, and is influenced by factors such as temperature, surface area, and air movement.

In the context of the other options, the changes from solid to liquid, gas to liquid, and liquid to solid represent different physical processes: melting, condensation, and freezing, respectively. Each of these processes involves transitions between different states of matter but does not pertain to the specific phenomenon of evaporation.