SSC MTS EXAM

SSC

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is it called when a solid turns directly into a gas?
A
Sublimation
B
Condensation
C
Liquid
D
None of the above
Explanation: 

Detailed explanation-1: -Sublimation is the process in which solid directly changes to gas.

Detailed explanation-2: -sublimation, in physics, conversion of a substance from the solid to the gaseous state without its becoming liquid. An example is the vaporization of frozen carbon dioxide (dry ice) at ordinary atmospheric pressure and temperature. The phenomenon is the result of vapour pressure and temperature relationships.

Detailed explanation-3: -When a substance converts directly from its solid to gaseous state, it is said to be sublimed and the process is known as sublimation. Examples of subliming solids are dry ice (made of CO2, naphthalene, etc.

Detailed explanation-4: -Sublimation is the process by which solid converts directly to liquid state.

There is 1 question to complete.