__________ is produced using molasses as the starting raw material.
Methyl alcohol
Ethyl alcohol
Benzol
Dimethyl ether
Correct Answer :
B. Ethyl alcohol
Related Questions
Which of the following coals has the highest calorific value?
Lignite
Sub-bituminous
Anthracite
Peat
Chloral is used in the manufacture of
DDT
BHC
Parathion
None of these
__________ is the major constituent of the Portland cement.
Calcium carbonate
Calcium oxide
Tricalcium silicate
Calcium sulphate
Lubricating greases are a mixture of
Mineral oil, soap and additives
Mineral oil and metallic soap
Mineral oil and fatty oil
Fatty oil and metallic soap
__________ is not a constituent of gun powder.
Carbon
Charcoal
Sulphur
Potassium nitrate
Pick out the wrong statement.
Eosin requirement in tallow soap is about 40-50% which fastens the lather formation, softens the hard soaps and increases its cleansing action
Soap powder is prepared by mixing soap with hydrated sodium carbonate
Detergents differ from soaps in their action in hard water
Tarnish inhibitor (e.g., Benzotriazole) is added in soap to facilitate the removal of stains due to tea, blood etc
DDT stands for
Diethyl-diphenyl-trichloromethane
Dichloro-diphenyl-trichloromethane
diphenyl-dichloro-trichloromethane
Dichloro-diphenyl-trichloroethane
The difference between saponification value and acid value is
Called ester value
Always negative
Constant for all fatty oils
None of these
Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C.
25
60-70
150-200
250-300
Refractory bricks burnt at very high temperature have got
Greater resistance to corrosion by slags
Less resistance to corrosion by slags
High spalling tendency
None of these
An alkali metal salt of Palmitic acid is known as
Soap
Metallic soap
Detergent
Alkaloid
Chemical name of aspirin (an analgesic drug) is
Acetylsalicylic acid
Nictonic acid
Calcium acetate
Methyl salicylate
Silicone is a/an
Thermoplastic
Inorganic polymer
Monomer
None of these
10% oleum comprises of 10% free
SO2
H2SO3
SO3
H2SO4
Penicillin is separated from fermented broth by
Extraction with amyl or butyl acetate
Ternary Azeotropic distillation
Evaporator in calandria
Extractive distillation
Dacron is a/an
Polyester
Unsaturated polyester
Polyamide
Inorganic polymer
Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it
Has larger production capacity per unit cell
Consumes less power per ton of Cl2 produced
Produces high purity (70%) caustic soda directly
All (A), (B) and (C)
Thermoplastic materials
Do not soften on application of heat
Are heavily branched molecules
Are solvent insoluble
None of these
Which of the following processes is absent in glass manufacturing process?
Sintering
Annealing
Shaping or forming
Melting
Extraction of __________ employs an electrolytic process.
Aluminium
Silver
Copper
All (A), (B) and (C)
Alkylbenzene sulfonate (ABS) is a
Detergent
Rubber
Pesticide
Polyester
__________ acid is an unsaturated fatty acid.
Palmitic
Oleic
Stearic
Oxalic
Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on commercial scale.
Nickel
Vanadium
Alumina
Iron
Penicillin is made employing __________ fermentation process.
Continuous
Aerobic batch
Anaerobic batch
None of these
'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of
N2 & H2
CO2 & H2
CO & H2
C & H2
The yield of tar from high temperature carbonisation of dry coal is about __________ percent.
3
12
22
0.3
Which of the following paper does not require a filler during manufacture?
Bond paper
Writing paper
Blotting paper
Coloured paper
__________ is an ore of lead.
Quartz
Galena
Siderite
Chalcopyrite
The catalyst used in the manufacture of DDT is
Alumina
Silica
20% oleum
Aluminium chloride
Margarine is a/an
Fat
Explosive
Plasticiser
Rocket propellant