Immiscibility of oil and water can be overcome by,
a. Formulating an emulsion
b. Formulating suspension
c. Formulating an insufflation
d. Formulating an elixir

Chemical incompatibility can be intentional i.e. a prescriber knowingly gives incompatible drugs, or unintentional i.e. prescriber does not know that the drugs are incompatible.
a. True
b. False

Chemical incompatibility in which change in formulation is needed is called as,
a. Tolerated incompatibility
b. Adjusted incompatibility.

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.

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