emusion

Emulsion is a

• a)Stable preparation

• b)Thermodynamically unstable preparation

• c)Biphasic system

• d)Both b and c

An emulsifier is considered to be ideal, if it is soluble in

• a)Aqueous phase

• b)Oil phase

• c)Both a and b

• d)None of the above

Gum acacia is used as_____ in emulsion.

• (a) Solvent

• (b) Solute

• (c) Emulsifying agent

• (d) Colourant

Emulsion is…………liquid.

• (a) Homogenous

• (b) Heterogeneous

• (c) Both (a) and (b)

• (d) None of these

An assembly is used in which a pair of electrodes connected to an electric bulb is dipped into an emulsion and the electric bulb glows. Therefore emulsion is …………..of type.

• o/w

• w/o

• g/o

• o/s

Hard cake formation is a characteristic feature of _______ suspension.

• Flocculated

• ThixotropicStructured

• De-flocculated

• none

The role of emuslifying agent is __________.

• Decrease surface area in emulsion

• Improves the medication taste

• Increase the size of globules

• Reduce the interfacial tension between miscible phases

Castor oil emulsion is a form of a which emulsion.

• (a) O/W

• (b) W/O

• (c) Both (a) and (b)

• (d) None of these

The usage of a Milk of magnesia is…

• (a) Antacid

• (b) Purgative

• (c) Coolant

• (d) Antiseptic

emulsion is know as one of which is dispersed as a ---------into other

• minute globules

• large globules

• disperse phase

• continuous phase