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MCQ NO 1117 | Unit operation

Which of the following gases cannot be separated from air using fractional distillation?
Anonymous Quiz
25%
Oxygen
41%
Helium
16%
Nitrogen
18%
Argon
MCQ NO 1118 | Unit operation

The beads are provided in fractional column for.........
Anonymous Quiz
6%
Vapours to generate
34%
Vapours to condense
17%
Vapours to evaporate
43%
All of the mentioned
MCQ NO.1119 | Unit operation

A simple fractional tube is packed with ____________
Anonymous Quiz
19%
Wooden beads
26%
Metal beads
23%
Plastic beads
32%
Glass beads
MCQ NO 1120 | Unit operation

Fractional distillation is a process of separation of ___________
Anonymous Quiz
24%
1 miscible and 1 immiscible liquid
46%
2 immiscible liquids
27%
2 miscible liquids
3%
None of the above
MCQ NO 1121

The rate of drug bioavailability is most rapid when the drug is formulated as a
Anonymous Quiz
25%
(a) Controlled release product
13%
(b) Hard gelatin capsule
14%
(c) Tablet
48%
(d) Solution
MCQ NO 1124

A specimen obtained from a patient’s cerebrospinal fluid, cultured in specializedmedia for about five weeks showed the presence of bent rods and tested positive with Ziehl-Neelsen reagent. Identify the organism
Anonymous Quiz
29%
(a) Nesseria meningitides
50%
(b) Mycobacterium tuberculosis
17%
(c) Bacteroides fragilis
4%
(d) Leptospira interrogans
MCQ NO 1125

Staphylococcus aureus is used for the I.P. assay of
Anonymous Quiz
39%
(a) Doxycycline
27%
(b) Bleomycin
27%
(c) Kanamycin
7%
(d) Carbenicillin
MCQ NO. 1126

In which of the following techniques the sample is kept below triple point_____
Anonymous Quiz
60%
(a) Lyophilization
14%
(b) Spray drying
17%
(c) Spray congealing
9%
(d) Centrifugation
MCQ NO. 1127

Geriatric populations should be included in the following Phase of clinical trials
Anonymous Quiz
12%
(a) Phase I
23%
(b) Phase II
45%
(c) Phase III
20%
(d) Phase IV
MCQ NO 1128

The following protein/polypeptide has a quaternary structure
Anonymous Quiz
22%
(a) cc-Chymotrypsin
55%
(b) Hemoglobin
17%
(c) Insulin
6%
(d) Myoglobin
MCQ NO 1129

In nail polish, following polymer is used as a film-former
Anonymous Quiz
38%
(a) Nitrocellulose
16%
(b) Polylactic acid
32%
(c) Hydroxypropyl methylcellulose
15%
(d) Cellulose acetate phthalate
MCQ NO 1131

Which of the following is the upper layer in differential extraction?
Anonymous Quiz
33%
Solvent layer
42%
Aqueous layer
19%
Solute layer
5%
None of the above
MCQ NO 1132

The pure solvent after the differential extraction cannot be used again for the extraction. 
Anonymous Quiz
57%
True
43%
False
MCQ NO 1133

The organic liquid in steam distillation vaporizes at ____________ .
Anonymous Quiz
35%
Higher temperature than its boiling point
28%
At its boiling point
34%
Lower temperature than its boiling point
3%
None of the above
MCQ NO 1134

The organic compound in differential extraction is recovered from the organic solvent by ____________.
Anonymous Quiz
15%
Sublimation
31%
Distillation
32%
Steam crystallisation
22%
Fractional crystallisation
MCQ NO 1135

In steam distillation, the liquid boils when the sum of vapour pressure due to organic liquid and due to water becomes ____________.
Anonymous Quiz
30%
Greater than atmospheric pressure
48%
Equals to atmospheric pressure
20%
Lesser than atmospheric pressure
2%
None of the above
MCQ NO. 1136 | PIC

The chelate ,EDTA4,can be described as what type of chelating ligand?
Anonymous Quiz
9%
Tridentate
39%
Tetradentate
11%
Bidentate
41%
Hexadentate