MCQ paper on emulsion
Answers
Answer:
Question 1
30 seconds
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Q. What type of emulsion is a w/o/w emulsion?
answer choices
Primary emulsion
Microemulsion
Multiple emulsion
Monoemulsion
Question 2
30 seconds
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Q. The purpose of an emulsifier is to ___________ .
answer choices
Decrease surface area in a suspension
Reduce the interfacial tension between immiscible phase
Minimize the size of globules
Improve medication taste
Question 3
120 seconds
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Q. What is the HLBmixture for emulsion consisting of 30% Span 80 (HLB = 4.3) and 70% Tween 80 (HLB = 15)?
answer choices
1.181.8118.1111.8
Question 4
30 seconds
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Q. A substance that allows oil and water to mix or emulsify is known as ________ .
answer choices
Antioxidant
Emulsifier/Surfactant
Preservative
Colouring agent
Question 5
30 seconds
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Q. The tail of a surfactant molecule is oil-loving or known as ________?
answer choices
hydrophile
lipophobic
lipophilic
hydrophilic
Question 6
30 seconds
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Q. Oil and Water is an example of a(n)...
answer choices
Suspension
Emulsion
Colloid
Solution
Question 7
30 seconds
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Q. Ratio of oily phase to aqueous phase to gum of Fixed oil (eg. Castor Oil BP)
answer choices
4 - 3 - 1
4 - 2 - 2
4 - 1 - 2
4 - 2 - 1
Question 8
30 seconds
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Q. Ratio of oily phase to aqueous phase to gum of Volatile oil (eg. Cinnamon Oil BP)
answer choices
2 - 2 - 1
2 - 2 - 2
2 - 1 - 2
2 - 1 - 1
Question 9
30 seconds
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Q. The condition labelled as 'C' indicates
answer choices
Breaking
Sedimentation
Creaming
Flocculation
Question 10
30 seconds
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Q. Above is one of test done to determine Types of Emulsion. What is the name of the test?
answer choices
Cobalt suphate test
Cobalt chloride test
Cobalt oxide test
cobalt blue test
Question 11
30 seconds
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Q. Gelatin and Wool fat are examples of Emulsifying Agent originated from vegetable source.
answer choices
TRUE
FALSE
Question 12
30 seconds
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Q. Breaking of an emulsion can be reversible by vigorous agitation
answer choices
TRUE
FALSE
Question 13
30 seconds
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Q. __________ is a procedure when oil is triturated with the gum before adding in water for preparing Primary Emulsion.
answer choices
English method
Wet Gum method
Trituration method
Continental method
Question 14
30 seconds
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Q. The result observation labelled as "B" indicates __________ emulsion
answer choices
Water-in-oil
Oil-in-water
W-o-W
O-w-O
Question 15
30 seconds
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Q. Secondary Emulsion (multiple emulsion) can be used to increase the stability of the stability of active compound.
answer choices
TRUE
FALSE