'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of
N2 & H2
CO2 & H2
CO & H2
C & H2
Correct Answer :
C. CO & H2
Related Questions
Teflon is
Phenol formaldehyde
An inorganic polymer
Poly tetra-fluoro-ethylene (P.T.F.E.)
A monomer
Oleum produces fumes of
SO2
H2SO4
SO3
SO2 + H2SO4
Cement setting under water employs a/an __________ process.
Hydration
Decomposition
Oxidation
Reduction
Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo?
Depithing
Digestion
Bleaching
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
The type of high refractive index glass used in optical instruments is __________ glass.
Pyrex
Flint
Crookes
None of these
During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as
It is very corrosive at elevated temperature
Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced)
It decomposes on further increasing the temperature
None of these
The catalyst used in shift converter is
Nickel
Vanadium
Silica gel
Alumina
A mixture of chlorine & sodium bromide acts as a/an
Insecticides
Analgesic drug
Fire retardant
Hydrogenation catalyst
Percentage of alcohol in beer may be around __________ percent.
2-8
18-23
27-32
1-4
__________ is an ore concentrating metallurgical process involving a chemical change.
Electromagnetic separation
Froth floatation
Roasting
None of these
Which of the following processes can remove both temporary as well as permanent hardness of water?
Filtration
Boiling
Distillation
None of these
Nitro-glycerine absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as controlled explosive called dynamite. The raw material used for its manufacture are glycerine, nitric acid and
Sulphuric acid
Phosphoric acid
Hydrochloric acid
Hydrofluoric acid
The product obtained on mixing calcium oxide with water is called
Quicklime
Slaked lime
Milk of lime
None of these
Which of the following is not required in the manufacture of soda ash by Solvay process?
Ammonia
Limestone
Nitric acid
None of these
Glycerine is a by-product of the __________ industry.
Soap
Detergent
Oil hydrogenation
Paint
Enamels
Give good glossy finish
Are same as varnish
Are prepared from non-drying oil
Do not contain pigment
Catalytic oxidation of naphthalene produces
Styrene
Phenol
Phthalic anhydride
None of these
Hydrogenation of oil/fat does not
Improve its resistance to rancid oxidation
Raise its melting point
Remove double bonds
None of these
Which of the following coals has the highest calorific value?
Lignite
Sub-bituminous
Anthracite
Peat
Zeolite used in water softening process (cation exchange) is regenerated by washing with
Brine
Chloramines
Sodium bisulphite
Liquid chlorines
Extraction of __________ employs an electrolytic process.
Aluminium
Silver
Copper
All (A), (B) and (C)
__________ of quicklime produces slaked lime.
Hydration
Dehydration
Hydrogenation
None of these
Bakelite is chemically known as
Polyvinyl chloride (PVC)
Polybutadiene
Phenol formaldehyde
Polyurethane
Litharge is
Lead oxide
Zinc oxide
Zinc sulphide
Cellulosic photographic material
Massecuite is
Used for paper making
Used as a cattle feed
Highly acidic in nature
None of these
Catalyst used in the oxidation of benzene to produce Maleic anhydride is
V2O5
Pt
Ni
Cr
Pasteurisation of milk means
Removal of fatty and albuminous substance from it
Killing of organisms present in it by heating it at controlled temperature without changing its natural characteristics
Inhibiting the growth of micro-organisms without killing them
None of these
P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as
Bakelite
Neoprene
Teflon
Nylon-66
Which of the following is not an insecticide?
Hydrocyanic acid
Nicotine
Sodium fluoride
Hexane