Which one of the following is not likely to be a constituent of vegetable oils?
Citric acid
Oleic acid
Stearic acid
Glycerol
Correct Answer :
A. Citric acid
Related Questions
Neoprene is chemically known as
Polybutadiene
Styrene butadiene rubber (SBR)
Polyurethane
Polychlorophrene
Conversion of SO2 to SO3 in Monsanto 4-pass converter is about __________ percent.
80
90
98
100
In sulphate pulp manufacture, the pressure and temperature in the digestor is
10 atm., 800 °C
10 atm., 170-180°C
1 atm., 170 - 180°C
1 atm., 800°C
Caprolactam (a raw material for nylon-6 manufacture) is produced from
Phenol
Naphthalene
Benzene
Pyridine
Roasting of metallurgical ores is done mainly to
Dehydrate it
Sinter the ore
Remove CO2 & H2O
Remove arsenic & sulphur
Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as __________ oil.
Drying
Semi-drying
Non-drying
None of these
The gasification reaction represented by, C + H2O = CO + H2, is a/an __________ reaction.
Exothermic
Endothermic
Catalytic
Autocatalytic
The most stable allotropic form of phosphorous is the __________ phosphorous.
White
Black
Yellow
Red
Ca(OH)2 is called
Quicklime
Slaked lime
Limestone
Gypsum
All enzymes are made of
Fats
Carbohydrates
Proteins
Amino acids
Massecuite is
Used for paper making
Used as a cattle feed
Highly acidic in nature
None of these
Glycerine can be obtained from
Fat
Naphthalene
Cumene
Sucrose
__________ Nature of hypo (sodium thiosulphate) makes it useful in photography.
Oxidising
Reducing
Complex forming
Photochemical
Liquefaction of gases cannot be done by
Exchange of heat with colder stream
Adiabatic expansion through a throttle valve (Joule-Thomson expansion)
Merely compressing it beyond critical pressure
Adiabatic expansion against a piston or in a turbine
Digestion of wood-base materials (for manufacture of pulp) is done to
Remove lignin
Produce long fibres
Prevent deterioration on storage
None of these
Dacron (or Terylene) fibres as compared to nylon fibres have
Better heat & acid resistant properties
Poorer resistance to alkalis
Poorer dyeability
All (A), (B) and (C)
The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is
Alumina
Silica gel
Platinum
Nickel
Na2CO3.10H2O is called
Washing soda
Soda ash
Slaked lime
Quicklime
Temporary hardness of water can be removed by
Addition of alum (a coagulant)
Boiling
Filtration (through gravity sand filter)
Addition of lime
In an integrated steel plant, NH3 present in coke oven gas is normally recovered as
(NH4)2SO4
NH4Cl
(NH4)2 NO3
Liquid NH3
Which one of the following is not an elastomer?
Polyisoprene
Neoprene
Nitrile-butadiene
None of these
Inversion of sucrose produces
Fructose
Glucose
Both (A) & (B)
Neither (A) nor (B)
Yeast is used in the manufacture of
Penicillin
Antibiotics
Wine
Pasteurised milk
Low purity oxygen is used for
L.D. steel making
Cutting and welding of metals
Medicinal purposes
Chemical oxidation processes
Gun powder uses
Sulphur
Charcoal
Potassium nitrate
All (A), (B), & (C)
In the manufacture of viscose rayon, the raw material used industrially is
Eucalyptus wood
Bamboo
Bagasse
Fine teak wood
The main use of HCl is in the
Drilling of petroleum wells and pickling of steel sheets
Manufacture of cationic detergent
Treatment of spent fuel of nuclear reactor
None of these
Oil is a/an
Mixture of glycerides
Mixture of glycerides of fatty acids
Solid at normal temperature
Ester of alcohols other than glycerine
Penicillin, an antibiotic drug was discovered by
Alexander
Flaming
Doctor Zhivago
None of these
Chemical formula of 'salt cake' is
Na2SO4
CaSO4
MgSO4
BaSO4