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Q. The term ‘light’ as applied to pharmaceutical powders means:

Q. The density of the dispersed phase is more than that of the dispersion medium. According to the Stokes' equation, the creaming is:

Q. For a stable emulsion, the phase volume ratio is generally about:

Q. 1 micrometer (µm) is equal to

Q. The unit of activation energy is

Q. The integral rate equation for a reaction (in common notation) is written as log C = log Co - (kt/2.303). When a graph is drawn log c vs. t, the slope will be:

Q. Electrodialysis is used, when impurities in a sol are:

Q. The rheological property of emulsion can be controlled by

Q. For oral administration of a suspension to a patient, which one of the factors is the most important?

Q. Andreasen pipette is widely used method to determine particle size distribution by