List of top Physical Pharmacy Questions asked in GPAT

If the pKa of phenobarbitone is 3.4 what would be pH 4.4:
The relationship between pH of the environment, the pKa of drug, and extent of ionization
The surfactant decreases the surface tension with the concentration of plateau. This plateau is related to
HLB values of solubilizing agent
Match the following:
Creaming in emulsion is best described as
Choose the correct answer: Assertion (A): Non-Newtonian liquids do not follow Newtonian law. Reason (R): Viscosity changes when the rate of shear is applied.
During preformulation studies, a drug shows 6% moisture uptake at 75% RH and 0.5% moisture uptake at 40% RH. Which packaging is most suitable for long term stability
According to United State Pharmacopoeia, 1 part of solute dissolves in 10-30 parts are
Iodine is sparingly soluble in water that 1 part of solute dissolve in ______ how many parts of water
Which of the following represents the acidic component of a phosphate buffer system:
Which of the following is a correct expression of average particle size with value of p=1 i.e index related to the size of an individual particle and frequency index (f=2):
correct expression of average particle size
Which of the following is a correct expression of average particle size with value of p=1 i.e index related to the size of an individual particle and frequency index (f=2):
correct expression of average particle size
Which of the following is not a method for solubility enhancement:
Which of the following type of viscometer is used for the measurement of viscosity of a Newtonian fluid:
Which of the following protective colloids has a high gold number?
Which of the following is not a method for solubility enhancement:
Which of the following protective colloids has high gold number:
Which of the following type of viscometer is used for the measurement of viscosity of a Newtonian fluid:
Which among the following is an amino-alcohol analogue that has weak visceral anticholinerergic activity but is a strong nicotinolytic drug?
Out of the following solvents which one is not a polar solvent?
Suspensions containing a high percentage (about 50% or greater) of small, deflocculated particles would show which of the following flow properties?
The law of relative lowering of vapour pressure was given by:
Which of the following pharmaceutical solvent has the highest dielectric constant at 25°C?
In a mechanical model of a viscoelastic material, showing both viscosity of liquid state and elasticity of solid-state combined in series is termed as: