Chemical incompatibility which can be reduced by using dilute solutions or simply changing the order of mixing is called, a. Tolerated incompatibility. b. Adjusted incompatibility.
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a. Tolerated incompatibility
In the mixing of thymol and menthol the following type of incompatibility occurs, a. Chemical incompatibility b. Therapeutic incompatibility c. Physical incompatibility d. Tolerance incompatibility
What type of emulsion is a w/o/w emulsion? a. Primary emulsion b. Micro-emulsion c. Multiple-emulsion d. Monoemulsion
The tail of a surfactant molecule is oil-loving or known as ________? a. Hydrophilic b. Lipophobic c. Lipophilic d. Hydrophilic
Oil and Water is an example of a(n)... a. Suspension b. Emulsion c. Colloid d. Solution
In the stability of emulsion, which important instability step should be prevented? a. Breaking b. Coalescence c. Flocculation d. Creaming
Dye test which is used to identify type of emulsion in that which dye is used? a. Scarlet red b. Scarlet green c. Crystal violet d. Methylene blue
In conductivity test, if bulb glows on passing electric current so what would be the type of emulsion? a. W/O emulsion b. O/W emulsion c. Micro emulsion d. Multiple emulsion
In micro emulsion, the size of globules are__ a. 1 um b. 0.1 um c. 0.01 um d. 10 um
If viscosity of continuous phase increase so creaming __ a. No change b. Increase c. Decrease d. None of the above
In case of coalescence ____ a. Dispersed droplet does not fuse b. Globules size decrease c. No of globules increase d. Dispersed droplets tend to fuse
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