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 detergents is non-ionic in character?
Sodium lauryl sulphate
Pentaerythrityl stearate
Cetyl trimethyl ammonium chloride
Sodium n-dodecyl benzene sulphonate
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
B.
Bithional
The chemicals, which either prevent the growth of microorganisms of kill them but not harmful to the living tissues are known as antiseptics. Bithional is an antiseptic, which is mixed to medication soaps to impart antiseptic properties.
From the other options, chloramphenicol is antibiotic, cimetidine is antacid and chlordiazepoxid is transquilizer.
Glycerol can be separated from spent-lye in soap industry by
crystallisation
sublimation
differential extraction
chromatography