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

• crystallisation

• sublimation

• differential extraction

• chromatography

Bactericidal antibiotic is

• ofloxacin

• chloramphenicol

• erythromycin

• tetracycline

The alkaline hydrolysis of ester is known as

• dehydrogenation

• dehydration

• esterification

• saponification

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

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

• Sodium lauryl sulphate

• Pentaerythrityl stearate

• Cetyl trimethyl ammonium chloride

• Sodium n-dodecyl benzene sulphonate

Which of the following is not an analgesic?

• Ofloxacin

• Penicillin

• Aminoglycosides

• Paracetamol

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

Narcotic analgesic is

• aspirin

• paracetamol

• codeine

• zantac