Describe the DLVO theory with energy curves.
[6 marks]Discuss the kinetic properties of colloids.
[5 marks]Explain: Kraft point and Gold number
[5 marks]Explain Non-Newtonian flow with rheograms.
[6 marks]Give factors influencing viscosity.
[5 marks]Define: Fluidity, Kinematic viscosity, Rheology, Thixotropy, Spurs,
[5 marks]Enlist physical instability markers of emulsion and discuss in brief.
[6 marks]Differentiate flocculated suspension and deflocculated suspension
[5 marks]Comment: Emulsions are thermodynamically unstable. Justify. Define: Bancroft’s rule and Emulsion
[5 marks]Enumerate the methods for determination of particle size. Explain working principle of coulter counter with labelled diagram.
[6 marks]Discuss the derived properties of powders.
[5 marks]Define: Surface Diameter, Volume Diameter, Projected Diameter, Angle of Repose, Stoke’s Diameter
[5 marks]What is first order kinetics? Derive equation with half life and shelf life for first order kinetics?
[6 marks]Write a short not on accelerated stability study
[5 marks]Explain oxidative decomposition and write its preventive measures. Q. 6 (a) Describe the influence of temperature on the rate of reaction.
[6 marks]Explain: Sedimentation volume and degree of flocculation of suspension.
[5 marks]Write a note on negative Thixotropy. Q. 7 (a) Discuss photolytic degradation and its preventive measures.
[6 marks]Classify the methods used for determination of surface area. Explain air permeability method with diagram.
[5 marks]Describe different types of emulsion. 1/1
[5 marks]