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Quality Control (BLUE) Exam Questions with 100% Verified Answers

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Quality Control (BLUE) Exam Questions with 100% Verified Answers

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  • October 31, 2024
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Quality Control (BLUE) Exam
Questions with 100% Verified
Answers

What is preferred for standardization of permanganate?
A. Sodium oxalate C. Hydrogen peroxide

B. Sodium carbonate D. Sodium nitrate - ✔ ✔ A


Instability will be accelerated by:
A. Temperature C. Light

B. Heat D. All of the above - ✔ ✔ D


Assay of NaCl in table salt by precipitation as AgCl, filtration, drying, and weighing
the residue
is classified as:
A. Precipitimetry C. Gravimetric analysis

B. Volhard method D. Residual precipitimetry - ✔ ✔ C


An analyst who determines the strength, potency, and percentage purity of a drug
or

,pharmaceutical product is performing:

A. Pharmaceutical assaying C. Pharmacopeial
test B. Identification test D. Special test - ✔ ✔ A


Type of alkaloidal assay where the total alkaloids are determined.
A. Ultimate C. Extraction

B. Specific D. Proximate - ✔ ✔ D


The measurement of a base of a given sample by titration with a standard acid is
known as:
A. Acidimetry C. Alkalimetry

B. Compleximetry D. Redox - ✔ ✔ A


Which of the following substance is assayed by residual alkalimetric
analysis. A. Aspirin C. Hydrochloric acid

B. Sodium hydroxide D. Zinc oxide - ✔ ✔ A


The molecular weight of NaOH is 40. How many grams of NaOH pellets
are needed to make
500mL of 1.5 N solution?
A. 20 C. 40

B. 30 D. 60 - ✔ ✔ B


Which of the following is the most effective chemical substance in removing
stains of

,potassium permanganate?
A. Oxalic acid C. Chalk

B. Sodium thiosulfate D. Vinegar - ✔ ✔ A


Which of the following indicators is the least used for acid-base
titration? A. Methyl Orange C. Ferric Alum

B. Phenolpthalein D. Methyl Red - ✔ ✔ C


Residual method titration with EDTA is applicable to what metal ion?
A. Calcium C. Zinc

B. Aluminum D. Magnesium - ✔ ✔ B


Chemical reactions that involves a change in the valence number of reacting
substances.
A. Neutralization C. Oxidation-Reduction

B. Complexation D. Precipitation - ✔ ✔ C


A process wherein the sample is made to liberate iodine, which is then
titrated with a standard
solution of sodium thiosulfate.
A. Volumetric titration C. Iodometry

B. Back titration D. Iodimetry - ✔ ✔ C


Malic acid represent in cherry juice may be determined by:
A. Indirect Permanganate oxidation Method

, B. Direct Permanganate Oxidation
Method C. Alkalimetry - ✔ ✔ A


Iodometry is an indirect analysis of:
A. Oxidizing agents C. Acids

B. Reducing agents D. Bases - ✔ ✔ A


The chemical factor used in calculation of percent purity of a substance in
volumetric analysis.
A. mEq weight C. Molality

B. Molarity D. None of the above - ✔ ✔ A


Adsorption indicators are used in:

A. Complexity C. Volumetric Precipitation
B. Acidimetry D. Alkalimetry - ✔ ✔ C


The indicator used in permanganate titration:

A. Methyl Orange C. Permanganate solution
B. Phenolpthalein D. Methyl Red - ✔ ✔ C


The indicator for EDTA direct titration of calcium carbonate:
A. Thymol blue C. Methyl red

B. Hydroxynapthol blue D. Methylene blue - ✔ ✔ B

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