Multiple Choice Questions

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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.


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Butylated hydroxy toluene is used in

  • preventing oxidative rancidity of fats

  • preserving food grains

  • killing bacteria living tissues

  • reducing stress and anxiety


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

  • crystallisation

  • sublimation

  • differential extraction

  • chromatography


Narcotic analgesic is

  • aspirin

  • paracetamol

  • codeine

  • zantac


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

  • Sodium lauryl sulphate

  • Pentaerythrityl stearate

  • Cetyl trimethyl ammonium chloride

  • Sodium n-dodecyl benzene sulphonate


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Which among the following is a tranquilizer?

  • Aspirin

  • Valium

  • Penicillin

  • Sulphanilamide


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

  • Irradiation

  • Addition of salts

  • Addition of heat

  • Hydration


Which of the following is used as antiseptic?

  • Chloramphenicol

  • Bithional

  • Cimetidine

  • Chlordiazepoxide


Bactericidal antibiotic is

  • ofloxacin

  • chloramphenicol

  • erythromycin

  • tetracycline


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Which of the following is not an analgesic?

  • Ofloxacin

  • Penicillin

  • Aminoglycosides

  • Paracetamol


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