Viscose rayon is chemically
Viscose rayon is chemically
Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used
Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used
Synthetic glycerine is produced from
Synthetic glycerine is produced from
Washing of coal is done to
Washing of coal is done to
One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to
One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to
Pick out the wrong statement.
Pick out the wrong statement.
Zeolite is a/an
Zeolite is a/an
Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.
Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.
Fluorescent dyes are added in detergents to
Fluorescent dyes are added in detergents to
Vulcanisation of rubber
Vulcanisation of rubber
A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.).
A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.).
Which of the following is not a product of coal tar distillation?
Which of the following is not a product of coal tar distillation?
Varnish does not contain
Varnish does not contain
Trinitro-toluene (TNT) is
Trinitro-toluene (TNT) is
Oils are partially hydrogenated (not fully) to manufacture vanaspati, because fully saturated solidified oils
Oils are partially hydrogenated (not fully) to manufacture vanaspati, because fully saturated solidified oils
Potassium is kept & transported under
Potassium is kept & transported under
Pick out the wrong statement pertaining to solvent extraction of oil.Rate of extraction
Pick out the wrong statement pertaining to solvent extraction of oil.Rate of extraction
Alkylbenzene sulfonate (ABS) is a
Alkylbenzene sulfonate (ABS) is a
Styrene is produced from ethyl benzene by the process of
Styrene is produced from ethyl benzene by the process of
Which form of sulphur is the most stable at room temperature?
Which form of sulphur is the most stable at room temperature?
Thorium is mainly used
Thorium is mainly used
Sucrose is a
Sucrose is a
Production of alcohol by fermentation of molasses is an __________ process.
Production of alcohol by fermentation of molasses is an __________ process.
Manufacture of phthalic anhydride uses __________ as a catalyst.
Manufacture of phthalic anhydride uses __________ as a catalyst.
Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its
Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its
Systemic insecticides
Systemic insecticides
Transparent soaps (e.g. Pears) are
Transparent soaps (e.g. Pears) are
Vanillin is a type of
Vanillin is a type of
Refractory bricks burnt at very high temperature have got
Refractory bricks burnt at very high temperature have got
Which of the following fuel gases contains maximum amount of carbon monoxide?
Which of the following fuel gases contains maximum amount of carbon monoxide?
The chamber process is
The chamber process is
Pick out the wrong statement.
Pick out the wrong statement.
Styrene is produced from ethyl benzene by the process of
Styrene is produced from ethyl benzene by the process of
Solvent extracted oil
Solvent extracted oil
Glauber's salt is chemically represented by
Glauber's salt is chemically represented by
Poly tetraflouro ethylene (P.T.F.E.) is known as
Poly tetraflouro ethylene (P.T.F.E.) is known as
Claude process of gas liquefaction employs
Claude process of gas liquefaction employs
Most widely and commonly used coagulant for the removal of suspended impurities in water is
Most widely and commonly used coagulant for the removal of suspended impurities in water is
The major use of butadiene is
The major use of butadiene is
An alkali metal salt of palmitic acid is known as
An alkali metal salt of palmitic acid is known as
Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it
Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it
Catalyst used in the oxidation of benzene to produce maleic anhydride is
Catalyst used in the oxidation of benzene to produce maleic anhydride is
Which of the following is a detergent?
Which of the following is a detergent?
Lurgi coal gasifier is a pressurised __________ bed reactor.
Lurgi coal gasifier is a pressurised __________ bed reactor.
Which is a high grade pulp?
Which is a high grade pulp?
Nickel is not used as a catalyst in the __________ reaction.
Nickel is not used as a catalyst in the __________ reaction.
Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like
Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like
The type of high refractive index glass used in optical instruments is __________ glass.
The type of high refractive index glass used in optical instruments is __________ glass.
Sodium salt of higher molecular weight fatty acid is termed as the __________ soap.
Sodium salt of higher molecular weight fatty acid is termed as the __________ soap.
Shrinkage volume in cement setting does not depend upon the
Shrinkage volume in cement setting does not depend upon the
__________ is not a constituent of gun powder.
__________ is not a constituent of gun powder.
Molecular weight of plastics ranges from
Molecular weight of plastics ranges from
Alcohol percentage in molasses may be around
Alcohol percentage in molasses may be around
Viscose rayon
Viscose rayon
Which of the following is a detergent?
Which of the following is a detergent?
In the production of soda ash by Solvay process, the by-product is
In the production of soda ash by Solvay process, the by-product is
Drinking (potable) water treatment does not involve
Drinking (potable) water treatment does not involve
Wet chlorine gas produced during electrolysis of brine is dehydrated by
Wet chlorine gas produced during electrolysis of brine is dehydrated by
The biochemical treatment applied to sewage effluents is a process of
The biochemical treatment applied to sewage effluents is a process of
Triple superphosphate is manufactured by reacting
Triple superphosphate is manufactured by reacting
Chrome tanning and vegetable tanning are done for
Chrome tanning and vegetable tanning are done for
Acetone is produced by catalytic dehydrogenation of
Acetone is produced by catalytic dehydrogenation of
Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate
Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate
Esterification reaction produces
Esterification reaction produces
Use of water having dissolved oxygen in boilers promotes
Use of water having dissolved oxygen in boilers promotes
Maleic anhydride is produced by catalytic oxidation of
Maleic anhydride is produced by catalytic oxidation of
Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as __________ oil.
Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as __________ oil.
Roasting of metallurgical ores is done mainly to
Roasting of metallurgical ores is done mainly to
The catalyst used in shift converter is
The catalyst used in shift converter is
The main use of HCl is in the
The main use of HCl is in the
The most commonly used substance to speed up the sedimentation of sewage is
The most commonly used substance to speed up the sedimentation of sewage is
__________ is produced by the dehydrogenation of ethyl benzene.
__________ is produced by the dehydrogenation of ethyl benzene.
Main constituents of natural rubber is
Main constituents of natural rubber is
Varnish does not contain
Varnish does not contain
Pure rectified spirit contains about __________ percent alcohol.
Pure rectified spirit contains about __________ percent alcohol.
Alum [Al2(SO₄)₃] is used as a coagulant in water treatment to remove
Alum [Al2(SO₄)₃] is used as a coagulant in water treatment to remove
Higher vicosity index of a lubricating oil denotes
Higher vicosity index of a lubricating oil denotes
Dehydrogenation of ethyl benzene produces
Dehydrogenation of ethyl benzene produces
Thermoplastic materials
Thermoplastic materials
In sulphate pulp manufacture, the pressure and temperature in the digestor is
In sulphate pulp manufacture, the pressure and temperature in the digestor is
__________ of quicklime produces slaked lime.
__________ of quicklime produces slaked lime.
Raw materials used for producing __________ cement does not contain iron oxide.
Raw materials used for producing __________ cement does not contain iron oxide.
Air used in aerobic fermentation must be sterilized, otherwise the
Air used in aerobic fermentation must be sterilized, otherwise the
Zeigler process
Zeigler process
Linde process of gas liquefaction employs
Linde process of gas liquefaction employs
The enzyme which converts starch into the disacharides maltose is
The enzyme which converts starch into the disacharides maltose is
Sulphur addition in soap is done to
Sulphur addition in soap is done to
Viscose rayon is
Viscose rayon is
Thermosetting materials
Thermosetting materials
Synthesis gas is a mixture of
Synthesis gas is a mixture of
Highly porous refractory bricks are
Highly porous refractory bricks are
