when we pass a beam of light through the colloidal solution tyndall effect shows. tyndall effect is due to the fact that colloidal particles scatter light in all direction in space.
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Out of NH3 and N2 which gas will be adsorbed more readily on the surface of charcoal and why?
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What is the cause of Brownian movement observed in colloidal solution?
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Multiple Choice Questions
The sky looks blue due to
dispersion effect
Reflection
Transmission
Scattering
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Short Answer Type
Define enthalpy of adsorption.
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Multiple Choice Questions
According to Langmuir absorption isotherm, the amount of gas adsorbed at very high pressures
reaches a constant limiting value
goes on increasing with pressure
goes on decreasing with pressure
increases first and decreases later with pressure
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Short Answer Type
How can colloidal solution of sulphur in water be prepared?
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Multiple Choice Questions
The Brownian motion is due to
Temperature fluctuation within the liquid phase
Attraction and repulsion between charges on the colloidal particles
Impact of molecules of the dispersion medium on the colloidal particles
Convection currents
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The blue colour of water in the sea is due to
Refraction of the blue light by the impurities in sea water.
Reflection of blue sky by sea water.
Scattering of blue light by water molecules.
Absorption of other colours except blue colour by water molecules.
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Short Answer Type
State one difference betwen an emulsion and a sol.
