The Brownian motion is due to:
Temperature fluctuations within the liquid phase
Attraction and repulsion between charges on the colloidal particles
Impact of the molecules of the dispersion medium on the colloidal particles
Convective currents
Related Questions
The size of the colloid particles is :
1 nm - 1000 nm
1 pm - 100 pm
1 mm - 10 mm
0.1 nm - 10 nm
Which of the following is a colloidal solution of liquid dispersed in gas?
Milk
Fog
Smoke
Shaving cream
Peptization involves
Precipitation of colloidal particles
Disintegration of colloidal aggregates
Evaporation of dispersion medium
Impact of molecules of the dispersion medium on the colloidal particles
Which is an emulsifier?
Soap
Oil
NaCl
Water
Which does not show Tyndall effect?
Emulsion
Blood
Milk
Sugar solution
Cloud bursts due to :
Attraction towards the electrical charges on the earth
Large amount of water present in the cloud
Dense clouds are present in the upper atmosphere
Mutual discharge of oppositely charged clouds resulting in the coagulation
The gold number of protective colloids A, B, and C are 0.02, 0.002, and 0.2 respectively. Arrange these colloids in increasing order of their protective power.
A < B < C
B < A < C
C < A < B
A < C < B
Gold number is the index for :
Protective power of lyophilic colloid
Purity of gold
Metallic gold
Electroplated gold
Which of the following colloidal solutions does not contain negatively charged particles
Starch
Gold Sol
Which is kinetic phenomenon
Brownian motion
Tyndall effect
Both 1 & 2
None