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WorksheetsEmulsion Quiz
Total questions: 12
Worksheet time: 6mins
What is the primary purpose of an emulsifying agent in an emulsion?
To enhance the color of the emulsion
To provide flavor to the emulsion
To reduce interfacial tension between immiscible liquids
To increase the viscosity of the emulsion
Which type of emulsion has oil as the disperse phase in a continuous phase of water?
Water-in-oil emulsion (w/o)
Oil-in-water emulsion (o/w)
Multiple emulsion
Solid emulsion
Common advantage(s) of emulsions is /are
The oily sensation can be removed
They are stable at all temperatures
They require shaking before use
They require measuring devices
Which of the following is a naturally occurring emulsifying agent?
Cetrimide
Polysorbates
Acacia
Sodium lauryl sulfate
What does HLB stand for in the context of emulsifying agents?
Hydrophobic-Lipid Bond
Hydrophilic-Lipophilic Balance
Hydrophobic-Lipophilic Balance
Hydrophilic-Lipid Bond
Which stability problem in emulsions is reversible?
Cracking
Creaming
Phase inversion
The following is TRUE when dispensing emulsion
Use a wide mouth container
Label it 'shake well'
Use a amber fluted bottle
Store at room temperature
What is the role of antioxidants in emulsions?
To increase viscosity
To prevent degradation of oils
To prevent microbial contamination
To enhance flavor
Which of the following tests can be used to identify the type of emulsion?
Color test
Stability test
Conductivity measurement
Viscosity test
What is the primary function of a surfactant in an emulsion?
To stabilize the emulsion
To enhance the color
To increase the pH
To provide nutrients
The ratio of oil:water:gum in cod liver oil emulsion is
4:2:1
3:2:1
2:2:1
1:2:1
The following may cause emulsion to crack EXCEPT
Extreme storage temperature
Low viscosity of continuous phase
Maximum number of small sizes globules
Microbial contamination
