Quiz 26-August-2023

#1. Very weak bases having pKa < 5:-

None of these

Are ionized in the entire pH range of GIT

Are unionized at all pH values

Absorbed only in stomach

#2. Keesom interactions has a force of: -

None of these

1-3 kcal/mol

0.5- 1 kcal/mol

1-7 kcal/mol

#3. Suspensions of starch in water exhibit: -

Dilatant flow

Psudoplastic flow

None of these

Plastic flow

#4. In a free-flowing powder, the bulk density and tapped density would be close in value, therefore, the Carr index would be:-

Medium

None

Small

Large

#5. Select the correct statement:

Acids salt corresponding to an insoluble salt will be more water soluble than original salt.

Sulphides are water soluble except for their alkali metal salts.

Hydroxides and oxides of compounds other than alkali metal cations and the common ions are generally water soluble.

Ammonium and Quaternary ammonium salts are water insoluble.

#6. Buffer capacity is also referred to as: -

Buffer index

All of these

Buffer value

Buffer efficiency

#7. Which of the following are obligatory intracellular parasites? (P) Virus (Q) Fungus (R) Mycobacterium (S) Rickettsia

(P) and (S)

(P), (Q) and (R)

all

(R) and (S)

#8. During determination of absorption rate constant by method of residual, flip-flop phenomenon occurs when (Ka absorption rate constant and KE overall elimination rate constant).

K E /Ka ≤ 3

Ka/KE ≥ 3

Ka/KE ≤ 3

K E/Ka ≥ 3

#9. Which of the following disinfectant effectively destroys vegetative bacterial cells including Gram positive and Gram-negative bacteria, bacterial endospores, fungi, and viruses?

8% formaldehyde + 70% alcohol

0.1% Phenol aqueous

70% Alcohol

0.1% Iodine aqueous

#10. Dipole - induced dipoles are also known as: -

Debye forces

London forces

Keesom forces

Hydrogen bonding

Finish

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Quiz 26-August-2023

#1. Very weak bases having pKa < 5:-

#2. Keesom interactions has a force of: -

#3. Suspensions of starch in water exhibit: -

#4. In a free-flowing powder, the bulk density and tapped density would be close in value, therefore, the Carr index would be:-

#5. Select the correct statement:

#6. Buffer capacity is also referred to as: -

#7. Which of the following are obligatory intracellular parasites? (P) Virus (Q) Fungus (R) Mycobacterium (S) Rickettsia

#8. During determination of absorption rate constant by method of residual, flip-flop phenomenon occurs when (Ka absorption rate constant and KE overall elimination rate constant).

#9. Which of the following disinfectant effectively destroys vegetative bacterial cells including Gram positive and Gram-negative bacteria, bacterial endospores, fungi, and viruses?

#10. Dipole - induced dipoles are also known as: -

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