Multiple Choice Questions

Advertisement

The alkaline hydrolysis of ester is known as

  • dehydrogenation

  • dehydration

  • esterification

  • saponification


D.

saponification

The alkaline hydrolysis of ester is known as saponification. When ester is heated with aqueous NaOH, sodium salt of acid and alcohol are formed.


Advertisement

Which of the following is used as antiseptic?

  • Chloramphenicol

  • Bithional

  • Cimetidine

  • Chlordiazepoxide


Which of the following processes is not used to preserve the food?

  • Irradiation

  • Addition of salts

  • Addition of heat

  • Hydration


Butylated hydroxy toluene is used in

  • preventing oxidative rancidity of fats

  • preserving food grains

  • killing bacteria living tissues

  • reducing stress and anxiety


Which among the following is a tranquilizer?

  • Aspirin

  • Valium

  • Penicillin

  • Sulphanilamide


Advertisement

Narcotic analgesic is

  • aspirin

  • paracetamol

  • codeine

  • zantac


Glycerol can be separated from spent-lye in soap industry by

  • crystallisation

  • sublimation

  • differential extraction

  • chromatography


Which among the following detergents is non-ionic in character?

  • Sodium lauryl sulphate

  • Pentaerythrityl stearate

  • Cetyl trimethyl ammonium chloride

  • Sodium n-dodecyl benzene sulphonate


Bactericidal antibiotic is

  • ofloxacin

  • chloramphenicol

  • erythromycin

  • tetracycline


Advertisement
<

Which of the following is not an analgesic?

  • Ofloxacin

  • Penicillin

  • Aminoglycosides

  • Paracetamol


Advertisement