B. Less of gases compared to liquid products
C. Larger quantity of tar compared to low temperature carbonisation
D. Inferior coke compared to low temperature carbonisation
A. Kraft method of pulp manufacture can process all types of fibrous raw materials
B. Digestion time for bagasse is less than that for wood base materials
C. Both temperature and pressure in the digestor is less in case of the sulphite method as
D. pared to that in the sulphate method
A. As a disinfectant
B. In water treatment
C. As fire retardant
A. CH4, & CO
C. CO, & CO2
D. H2, & CO
B. Liquefaction of permanent gases
C. None of these
D. Liquefaction of natural gas
A. Antiseptic
B. None of these
C. ong>A. Antibiotic</strong>
D. Disinfectant
A. 250-280
B. < 0
D. 500-600
A. Conversion of SO2 to SO3 in Monsanto-4 pass converter is about 98%
C. The chemical formula of oleum is H2S2O7, which is formed by saturating sulphuric acid with
D. Vitriol oil is nothing but technical sulphuric acid
E. phur trioxide
A. Air
D. Coke oven gas
A. Oxides of nitrogen & Cr2O3
B. V2O5 & Cr2O3.
D. V2O5 on a porous carrier & oxides of nitrogen
A. Cyclo tetramethylene tetranitramine
B. Trinitrobenzene
D. Trinitro resorcinol
A. Phenol
B. Pyridine
C. Naphthalene
B. Iron
C. Alumina
D. Platinum
A. Styrene
B. Benzoic acid
C. Isoprene
B. C + H2O = CO + H2
C. MgCO3 = MgO + CO2
D. All (A), B. and (C)
A. None of these
C. Phenol
D. Styrene
A. > 30
C. 75
D. 50
A. Impurities
C. Ethyl alcohol
D. Carbonic acid
B. Semi-drying
D. Drying
A. Calcium sulphate
C. Barium sulphate
D. Aluminium chloride
A. Aniline
B. Naphthalene
C. Toluene
A. Anaesthetics
C. Analgesic drug
D. Anti-malarial drug
B. Helpful in findings its adulteration & its suitability for making soap
C. The number of grams of iodine taken up by 100 gm of oil or fat
D. A measure of its unsaturation
A. Tricresyl phosphate
B. Calcium phosphate
D. Sodium phosphate
A. Dimethyl terephthalate and ethylene glycol
C. Hexamethylene diamine and Maleic anhydride
D. Caprolactam
B. Thermoplastic
D. Monomer
A. Dispersion
B. Emulsification
D. Wetting
A. Semi-drying oil
B. Non-drying oil
A. Galena
B. Feldspar
C. Gypsum
A. Converts
C. Oxidises
D. Reduces
A. Spalling
C. Both A. & B.
D. Neither A. nor B.
B. 5 to 10
C. -5 to 0
D. 75 to 80
B. Dehydration
C. Alkylation
D. Oxidation
A. Water with pH value less than 7, is acidic
C. Sodium sulphate or sodium carbonate do not cause hardness in water
D. Aeration of water is effective in CO2 removal
A. Kill insects following external bodily contact
C. Emit poisonous vapour
D. Are stomach poisons
B. Na2CO3
C. NaHCO3
A. Antibiotics
B. Used in the treatment of T.B.
D. Used in the treatment of typhoid
A. 2500
B. 1875
D. 640
B. In printing industry
C. As a starting material for hypo
D. In photographic industry
A. 0.14
B. 1.4
C. 0.34
A. Polytetrafluoroethylene
C. Cellulose nitrate
D. Benzene hexachloride
A. Decreases its tensile strength
B. Increases its oil & solvent resistance
D. Increases its ozone & oxygen reactivity
B. Ethanolamines are produced by using ammonia and ethylene oxide as raw material
C. Catalytic hydrogenation of carbon monoxide produces methyl alcohol
D. In nylon-6, the number 6 represents the total number of carbon atoms in the ring
A. Mastication
C. Vulcanisation
D. Extrusion
A. Carbon, volatile matter, ash & moisture
B. Carbon, hydrogen, nitrogen & sulphur
C. Carbon, ash, sulphur & nitrogen
A. Dimethyl ether
B. Methyl alcohol
D. Benzol
A. Gun powder comprises of 75% salt petre, 15% charcoal and 10% sulphur
C. Low intensity explosives are also called propellants, whereas high intensity explosive are
D. ng</strong>
E. led detonators
F. Lead azide is a popular military explosive
A. Separation of helium from natural gas
B. Purification of oxygen
D. Separation of isotopes of uranium from gaseous uranium hexafluoride
A. Polyamide
C. Unsaturated polyester
D. Inorganic polymer
A. Exothermic heat
C. Slaked lime
D. Hissing sound
Showing 351 to 400 of 633 mcqs
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