QUALITY CONTROL I and II COMPILED QUESTIONS AND ANSWERS

Subject: QUALITY CONTROL I and II VIOLET General Instructions: Choose the letter of the best answer 1. The synonym of 0.1N Bromine solution. A.) Koettsdorfer solution D.) All of these B.) Kjeldahl solution E.) None of these C.) Koppeschaar’s solution 2. An oxidizing agent electrons. A.) Gains D.) Receives B.) Loses E.) Shares C.) Donates 3. It pertains to a reaction with acid and a base resulting to the formation of salt and water. A) Neutralization D.) Oxidation B.) Complexation E.) Reduction C.) Precipitation 4. Indicator used in ceric sulfate titrations A.)Ferrous phenanthroline D.) Potassium permanganate B.) Ferric alum E.)Phenolphthalein C.)Eosin Y 5. The theoretical point at which the added titrant is chemically equivalent to the analyte in the sample. A.) Stoichiometric point D.) Both A and B B.) End point E. Both A and C C.) Equivalence point 6. A method of analysis which involves the determination of a solution of known concentration required to react with a given amount of substance to be analyzed: A.) Gravimetric analysis D.) Both A and B B.) Titrimetric analysis E.) Both B and C C.) Volumetric analysis 7. The following are the reasons of using the disodium form of EDTA in preparing standard solutions of EDTA except: A.)Less Soluble in water D.) All of these B.) Non hygroscopic E.)None of these C.) Very stable 8. The weight of a substance that is chemically equivalent to one milliliter of a standard solution. A.) Gram-equivalent weight D.) Gram-milliequivalent weight B.) Milliequivalent weight E.) Millimole C.)Titer value 9. It refers to the direct or residual analysisof acids using standard basics solutions: A.)Kjeldahl method D.) Compleximetry B.Acidimetry E.) Precipitimetry C.) Alkalimetry 10. Inaccurate measurements resulting from not reading at proper eye level: A.) Color blind D.) Parallax B.) Double vision E.) None of these C.) Thermal after-effect