A. Calcium oxide
B. Calcium carbonate
D. Calcium sulphate
A. CaO & Al2O3
C. SiO2 & Al2O3
D. CaO & Fe2O3
A. Ethanol
B. Ethane
D. Ethyl benzene
A. Plasticiser for unsaturated polyester
C. Starting material for the synthesis of glycerine
D. Coating ingredient for photographic film
A. Operate at very high pressure
C. Cannot use coking coal
D. Is a moving bed reactor
A. Chlorobenzene
B. Ethylene dichloride
C. Chlorinated paraffin
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. The number of grams of iodine taken up by 100 gm of oil or fat
B. Helpful in findings its adulteration & its suitability for making soap
C. A measure of its unsaturation
B. Enzyme is a complex nitrogenous compound
C. Pasteurisation of milk involves moderate heating followed by cooling
D. Bakeries and breweries make use of yeasts
A. Sucrose
B. Glucose
D. Lactose
A. The chemical formula of oleum is H2S2O7, which is formed by saturating sulphuric acid with
B. Vitriol oil is nothing but technical sulphuric acid
C. phur trioxide
D. Conversion of SO2 to SO3 in Monsanto-4 pass converter is about 98%
B. MnO2
C. FeS
D. CaO
A. Maleic anhydride
B. Acetone
C. Phenol
A. Zinc
C. Pig iron
D. Copper
A. Steam distillation
B. Extractive distillation
C. Solvent extraction
A. Fibrillation of fibre during paper manufacture is done to develop the strength in paper
B. Alkali consumption in digestion/cooking of bamboo is measured in terms of permanganate
C. ber
D. Bagasse fibre contains both lignin & cellulose
A. C & H2
B. N2 & H2
D. CO2 & H2
A. Polyester
B. Pesticide
D. Rubber
A. Flint
B. Hard
D. Pyrex
B. Causes bulking of activated sludge
C. Increases the biological oxygen demand (BOD)
D. Aids in flocculation
A. None of these
B. Thermosetting
C. Condensation
A. 40 kg/cm2 & 200C
B. 100 kgf/cm2 & 500C
C. 10 kgf/cm2 & 1000C
A. Platinum
C. Silica gel
D. Nickel
A. Removing turbidity
C. Corrosion control
D. Control of bacteria
B. Detects its adulteration
C. Gives an idea about its molecular weight
D. Is inversely proportional to its molecular weight
B. Kill insects, when they eat it
C. Are absorbed throughout the plant
D. Emit poisonous vapour
B. Analgesic drug
C. Explosive
D. Soap
A. Naphthalene
B. Pyridine
A. 10
B. 98
C. 25
B. Steaming reforming of naphtha
C. Ammonia cracking/dissociation
D. Oil hydrogenation
A. Cement
B. None of these
C. Lime from limestone
A. Common salt
B. Graphite electrode
D. Glaubers salt
A. Solvents
B. Film forming materials
D. Diluents
A. Chemical properties
B. Composition
D. Density
B. Make glossy surface
C. Increase atmospheric oxidation
D. Make it corrosion resistant
A. 7-14 and 40-50
B. 14 30 and 40-50
C. 10 20 and 40 50
B. Polyurethane
C. Phenol formaldehyde
D. Styrene-butadiene rubber
A. Dehydration
B. Reduction
C. Polymerisation
C. Pyrex
D. All A, B. & C
A. Strong organic acid
B. Oil of vitriol
D. Green acid
A. Monomer
B. Thermoplastic
D. None of these
B. Insecticide
C. Fertiliser
D. Explosive
A. Cast
B. High silicon
C. Pig
A. Phenol
B. Cumene
D. Ethyl alcohol
B. Ethylene oxide
C. Trichloroethylene
D. Ethanol amine
A. Iron
C. Alumina
A. Not a fumigant
C. A by-product of BHC manufacture
D. Both B. and C.
B. Sedimentation
C. Disinfection
D. Softening
B. Solar evaporation
C. Freeze drying
D. Electrolysis
A. Dibasic acid and the ring
D. Diamine and the ring
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