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[2ND YEAR] PH 108 - Physical Pharmacy (Lec) > MISC 04 - Board Exam Problems > Flashcards

MISC 04 - Board Exam Problems Flashcards

1
Q

Gasoline

a. Newtonian
b. Dilatant
c. Pseudoplastic
d. Rheopectic
e. Thixotropic

A

a. Newtonian

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2
Q

Asphalt

a. Newtonian
b. Dilatant
c. Pseudoplastic
d. Rheopectic
e. Thixotropic

A

e. Thixotropic

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3
Q

Cream

a. Newtonian
b. Dilatant
c. Pseudoplastic
d. Rheopectic
e. Thixotropic

A

d. Rheopectic

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4
Q

Quicksand

a. Newtonian
b. Dilatant
c. Pseudoplastic
d. Rheopectic
e. Thixotropic

A

b. Dilatant

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5
Q

Ketchup

a. Newtonian
b. Dilatant
c. Pseudoplastic
d. Rheopectic
e. Thixotropic

A

c. Pseudoplastic

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6
Q

Which of the following surfactants has a HLB value of 18-20?

a. Emulsifiers
b. Solubilizers
c. Detergents
d. Wetting agents

A

b. Solubilizers

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7
Q

Settling rate is rapid

a. Flocculated
b. Deflocculated

A

a. Flocculated

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8
Q

Settling rate is slow

a. Flocculated
b. Deflocculated

A

b. Deflocculated

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9
Q

Sediment volume is high

a. Flocculated
b. Deflocculated

A

a. Flocculated

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10
Q

Sediment volume is low

a. Flocculated
b. Deflocculated

A

b. Deflocculated

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11
Q

Particle space is larger

a. Flocculated
b. Deflocculated

A

a. Flocculated

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12
Q

Particle space is smaller/non-uniform

a. Flocculated
b. Deflocculated

A

b. Deflocculated

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13
Q

More interparticle space

a. Flocculated
b. Deflocculated

A

a. Flocculated

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14
Q

Less interparticle space

a. Flocculated
b. Deflocculated

A

b. Deflocculated

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15
Q

Loose/easily dispersible sediments

a. Flocculated
b. Deflocculated

A

a. Flocculated

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16
Q

Compact/prone to caking sediments

a. Flocculated
b. Deflocculated

A

b. Deflocculated

17
Q

Clear supernatant liquid

a. Flocculated
b. Deflocculated

A

a. Flocculated

18
Q

Turbid supernatant liquid

a. Flocculated
b. Deflocculated

A

b. Deflocculated

19
Q

Stable suspension

a. Flocculated
b. Deflocculated

A

a. Flocculated

20
Q

Pharmaceutically elegant

a. Flocculated
b. Deflocculated

A

b. Deflocculated

21
Q

HLB value 1-3

a. Antifoaming
b. Emulsifiers (W/O)
c. Wetting agents
d. Emulsifiers (O/W)
e. Detergents
f. Solubilizers

A

a. Antifoaming

22
Q

HLB value 3-6

a. Antifoaming
b. Emulsifiers (W/O)
c. Wetting agents
d. Emulsifiers (O/W)
e. Detergents
f. Solubilizers

A

b. Emulsifiers (W/O)

23
Q

HLB value 7-9

a. Antifoaming
b. Emulsifiers (W/O)
c. Wetting agents
d. Emulsifiers (O/W)
e. Detergents
f. Solubilizers

A

c. Wetting agents

24
Q

HLB value 8-18

a. Antifoaming
b. Emulsifiers (W/O)
c. Wetting agents
d. Emulsifiers (O/W)
e. Detergents
f. Solubilizers

A

d. Emulsifiers (O/W)

25
Q

HLB value 13-16

a. Antifoaming
b. Emulsifiers (W/O)
c. Wetting agents
d. Emulsifiers (O/W)
e. Detergents
f. Solubilizers

A

e. Detergents

26
Q

HLB value 15-20

a. Antifoaming
b. Emulsifiers (W/O)
c. Wetting agents
d. Emulsifiers (O/W)
e. Detergents
f. Solubilizers

A

f. Solubilizers

27
Q

Soap like

a. Smectic
b. Nematic
c. Cholesteric

A

a. Smectic

28
Q

Molecules tend to line themselves up into layers

a. Smectic
b. Nematic
c. Cholesteric

A

a. Smectic

29
Q

More restricted movement than nematic

a. Smectic
b. Nematic
c. Cholesteric

A

a. Smectic

30
Q

Thread like

a. Smectic
b. Nematic
c. Cholesteric

A

b. Nematic

31
Q

Simplest form of liquid crystal

a. Smectic
b. Nematic
c. Cholesteric

A

b. Nematic

32
Q

Crystal molecules have no orderly position and are free to move

a. Smectic
b. Nematic
c. Cholesteric

A

b. Nematic

33
Q

Chiral nematic

a. Smectic
b. Nematic
c. Cholesteric

A

c. Cholesteric

34
Q

Molecules being aligned and at a slight angle to one another

a. Smectic
b. Nematic
c. Cholesteric

A

c. Cholesteric

[2ND YEAR] PH 108 - Physical Pharmacy (Lec) (12 decks)

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