☰ Pharmaceutical Analysis (Pharmacy Allopathy) - MCQs

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Q49.

The pyro electric detector converts electromagnetic radiation in to:

  • A. Visible light
  • B. Electrons
  • C. Electrical signal
  • D. Fluorescence
    ✍ Discuss    
Q50.

Semi rigid gel used for exclusion chromatography is

  • A. Gelatin
  • B. Cellulose
  • C. Sephadex
  • D. Alumina
    ✍ Discuss    
Q51.

Reference compound widely used in NMR spectroscopy for proton spectra in non-aqueous medium is

  • A. Tetra methyl silane
  • B. Silane
  • C. DPPH
  • D. Peroxyl- amide Disulphonate
    ✍ Discuss    
Q52.

The electrode system employed in potentiometric titrations of acids by non-aqueous method in basic solvent is

  • A. Glass- calomel electrode
  • B. Glass- antimony electrode
  • C. Antimony-glass electrode
  • D. Antimony-calomel electrode
    ✍ Discuss    
Q53.

Electron donating groups like NH2 and OH

  • A. Increase fluorescence
  • B. Destroy fluorescence
  • C. Decrease fluorescence
  • D. No action
    ✍ Discuss    
Q54.

Silicotungistic acid is a reagent used to estimate B₁ using

  • A. Redox titration
  • B. Nitrite titration
  • C. Precipitation titration
  • D. Gravimetric method
    ✍ Discuss    
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