The terminology 'BTX' used in coal tar distillation industry refers to
Benzol-toluol-xylol
Benzol-toluene-xylene
Benzene-toluol-xylol
Benzene-toluene-xylene
Correct Answer :
D. Benzene-toluene-xylene
Related Questions
The combustion reaction, C + O2 = CO2, is
Exothermic
Endothermic
Autocatalytic
None of these
Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at
1 atm & 100°C
5 atm & 275°C
100 atm & 500°C
50 atm & 1000°C
Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on
Slaked lime
Soda lime
Calcium perchlorate
None of these
Concentration of NaOH solution produced by mercury electrolytic cell is about __________ percent.
10
25
50
98
An alkali metal salt of Palmitic acid is known as
Soap
Metallic soap
Detergent
Alkaloid
Rancidity of the fatty oil can be reduced by its
Decoloration
Hydrogenation
Oxidation
Purification
Trinitrotoluene (TNT), an explosive, is made by the nitration of
Nitrobenzene
Toluene
Nitrotoluene
Benzene
Poly Vinyl Chloride (P.V.C.) is a __________ material.
Thermosetting
Thermoplastic
Fibrous
Chemically active
Most widely and commonly used coagulant for the removal of suspended impurities in water is
Bleaching powder
Slaked lime
Alum
Copper sulphate
Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid.
Phthalic anhydride
Vinyl chloride
Maleic anhydride
Dacron
Massecuite is a terminology used in the __________ industry.
Paint
Oil hydrogenation
Soap
Sugar
Phenol is mainly used
To produce benzene
To produce phenol formaldehyde
To produce polyester resin
As a plasticiser for unsaturated polyester
Average sulphur content in Indian pyrites is about __________ percent.
15
35
55
70
Penicillin is separated from fermented broth by
Extraction with amyl or butyl acetate
Ternary Azeotropic distillation
Evaporator in calandria
Extractive distillation
Chrome tanning and vegetable tanning are done for
Light & heavy leather respectively
Heavy & light leather respectively
Both light & heavy leather
Neither light nor heavy leather
Potassium is kept & transported under
Water
Liquid ammonia
Kerosene oil
Alcohol
Zeigler process
Produces high density polyethylene
Produces low density polyethylene
Uses no catalyst
Employs very high pressure
Lime and soda ash are added to water to remove
Bicarbonates & sulphates of calcium and magnesium
Undesirable taste and odour
Bacteria
Its corrosiveness
Titanium dioxide is a/an __________ colour pigment.
White
Black
Yellow
Blue
The basic difference between vegetable oils and fats is in their
Density
Chemical properties
Physical state
Composition
__________ are used as corrosion inhibitor for iron & steel in aqueous solutions.
Phosphates
Chromates
Sulphates
Bi-carbonates
Argon is the third largest constituent of air (followed by N2 & O2). Its percentage by volume in air is
0.14
0.34
0.94
1.4
DDT stands for
Diethyl-diphenyl-trichloromethane
Dichloro-diphenyl-trichloromethane
diphenyl-dichloro-trichloromethane
Dichloro-diphenyl-trichloroethane
Silicon carbide is a/an
Adhesive
Abrasive
Type of glass
Brittle material
L.D. converter is used in the production of
Pig iron
Steel
Copper
Zinc
Teflon is
Phenol formaldehyde
An inorganic polymer
Poly tetra-fluoro-ethylene (P.T.F.E.)
A monomer
Alum is commercially produced from
Gypsum
Feldspar
Galena
Bauxite
Which of the following is a constituent of vinegar?
Around 10% alcohol
Around 1% acetic acid
Both (A) and (B)
Neither (A) nor (B)
Refractory bricks having high thermal conductivity is desirable, when it is to be used in the
L.D. converter
Blast furnace
Rotary kiln
Recuperator
Pick out the wrong statement pertaining to the soap manufacture.
Transparent soaps are made by cold process
Organic pigments are used as colouring materials in the soap manufacture
Both laundry as well as toilet soaps are manufactured by hot process
Colourless rosin is used in the manufacture of laundry soaps