The pressure of the atmosphere is less.
On the surface of the earth
At the sea level
At lower altitudes
At higher altitudes
In solids, strong forces hold the particles in a ________ structure.
Two- dimensional
Three- dimensional
Tetrahedral
None of these
a. If you put a drop of ink in a beaker of water the ink spreads out through the water and colours it.b. The gases escaping from food cooking in the kitchen can move to other rooms in the home.What is the process taking place in above two cases?
Effusion
Sublimation
Diffusion
Absorption
In many solids the particles form an orderly arrangement called a
Lattice
Distorted geometry
Network
Resonance
The pressure of the atmosphere at sea level is called standard pressure and is about
100 n/cm2
110 N/cm2
10 N/cm2
11 N/cm2