Adsorption, Partition 1. two of the basic principles upon which chromatographic separations is dependent on., aside form the ion-exchange & molecular exclusion.
Dog 2. animal used in Bio assay for parathyroid injection based on measuring the increase in serum calcium.
Rabbits3. pyrogen test animal
Medium IR Spectrometry 4. fingerpoint region in IR spectrometry.
KMnO45. indicator in redox titration using KMnO4 is starch.
A6. w/c of the following statement/s is correct?I. in azeotropic method of water analysis, toluene is used as solventII. in AMOWA, toluene & xylene are used as solventsIII. in AMOWA, toluene, xylene, and water are used as solventS.
a. I only b. I, II only c. I, II, & III d. NOTA
A7. the dye used in the leaker test:
a. methylene blue b. thymol blue c. phenolpthalein d. NOTA
D8.the IR region of the spectro used to identify a substance uses a wavelength of:
a.100-600 nm. b. 200-380 nm. c.380-780 nm d. 3-15 um.
FALSE,PHENOLPTHALEIN 9. most suitable indicator to use in the titration of organic acids is methyl red.
FALSE, LIGAND 10. a molecule w/c provides groups of attachment to metal ions is chelate.
Elution Chromatography 11. commonly used to develop chromatograms.
A 12. the equilibrium constant for the reaction of metal ion with a ligand is called:
a. a formation constant b. solubility constant c. NOTA
A 13. color of the complex resulting from reaction with ferrous phenanthroline:
a. red b. blue C. PINK D. VIOLET
C 14. standard solutions are also known as :
a. test solutions b. saturated solutions c. volumetric sol
Chicken 15. Animal used in the assay of oxytocin injection.
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