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
In sulphate pulp manufacture, the pressure and temperature in the digestor is
In sulphate pulp manufacture, the pressure and temperature in the digestor is
Use of water having dissolved oxygen in boilers promotes
Use of water having dissolved oxygen in boilers promotes
__________ is not a constituent of gun powder.
__________ is not a constituent of gun powder.
Raw materials used for producing __________ cement does not contain iron oxide.
Raw materials used for producing __________ cement does not contain iron oxide.
Highly porous refractory bricks are
Highly porous refractory bricks are
Chrome tanning and vegetable tanning are done for
Chrome tanning and vegetable tanning are done for
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
The biochemical treatment applied to sewage effluents is a process of
The biochemical treatment applied to sewage effluents is a process of
Molecular weight of plastics ranges from
Molecular weight of plastics ranges from
Varnish does not contain
Varnish does not contain
Which of the following is a detergent?
Which of the following is a detergent?
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
Acetone is produced by catalytic dehydrogenation of
Acetone is produced by catalytic dehydrogenation of
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.
Viscose rayon is chemically
Viscose rayon is chemically
Refractory bricks burnt at very high temperature have got
Refractory bricks burnt at very high temperature have got
Which of the following is not a product of coal tar distillation?
Which of the following is not a product of coal tar distillation?
Glauber's salt is chemically represented by
Glauber's salt is chemically represented by
Catalyst used in the oxidation of benzene to produce maleic anhydride is
Catalyst used in the oxidation of benzene to produce maleic anhydride is
Shrinkage volume in cement setting does not depend upon the
Shrinkage volume in cement setting does not depend upon the
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.
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
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
Wet chlorine gas produced during electrolysis of brine is dehydrated by
Wet chlorine gas produced during electrolysis of brine is dehydrated by
Triple superphosphate is manufactured by reacting
Triple superphosphate is manufactured by reacting
Thermosetting materials
Thermosetting materials
Main constituents of natural rubber is
Main constituents of natural rubber is
Trinitro-toluene (TNT) is
Trinitro-toluene (TNT) is
Vulcanisation of rubber
Vulcanisation of rubber
Sulphur addition in soap is done to
Sulphur addition in soap is done to
Alcohol percentage in molasses may be around
Alcohol percentage in molasses may be around
The enzyme which converts starch into the disacharides maltose is
The enzyme which converts starch into the disacharides maltose is
The major use of butadiene is
The major use of butadiene is
Poly tetraflouro ethylene (P.T.F.E.) is known as
Poly tetraflouro ethylene (P.T.F.E.) is known as
Washing of coal is done to
Washing of coal is done to
Which of the following fuel gases contains maximum amount of carbon monoxide?
Which of the following fuel gases contains maximum amount of carbon monoxide?
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
Lurgi coal gasifier is a pressurised __________ bed reactor.
Lurgi coal gasifier is a pressurised __________ bed reactor.
Styrene is produced from ethyl benzene by the process of
Styrene is produced from ethyl benzene by the process of
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.
Viscose rayon is
Viscose rayon is
Potassium is kept & transported under
Potassium is kept & transported under
Esterification reaction produces
Esterification reaction produces
An alkali metal salt of palmitic acid is known as
An alkali metal salt of palmitic acid is known as
Claude process of gas liquefaction employs
Claude process of gas liquefaction employs
Zeigler process
Zeigler process
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
Solvent extracted oil
Solvent extracted oil
Thermoplastic materials
Thermoplastic materials
__________ is produced by the dehydrogenation of ethyl benzene.
__________ is produced by the dehydrogenation of ethyl benzene.
Which of the following is a detergent?
Which of the following is a detergent?
Air used in aerobic fermentation must be sterilized, otherwise the
Air used in aerobic fermentation must be sterilized, otherwise the
The chamber process is
The chamber process is
Zeolite is a/an
Zeolite is a/an
The main use of HCl is in the
The main use of HCl is in the
Styrene is produced from ethyl benzene by the process of
Styrene is produced from ethyl benzene by the process of
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
Varnish does not contain
Varnish does not contain
Production of alcohol by fermentation of molasses is an __________ process.
Production of alcohol by fermentation of molasses is an __________ process.
Synthesis gas is a mixture of
Synthesis gas is a mixture of
Drinking (potable) water treatment does not involve
Drinking (potable) water treatment does not involve
Transparent soaps (e.g. Pears) are
Transparent soaps (e.g. Pears) are
Dehydrogenation of ethyl benzene produces
Dehydrogenation of ethyl benzene produces
Pick out the wrong statement.
Pick out the wrong statement.
__________ of quicklime produces slaked lime.
__________ of quicklime produces slaked lime.
Maleic anhydride is produced by catalytic oxidation of
Maleic anhydride is produced by catalytic oxidation of
Roasting of metallurgical ores is done mainly to
Roasting of metallurgical ores is done mainly to
Alkylbenzene sulfonate (ABS) is a
Alkylbenzene sulfonate (ABS) is a
Sucrose is a
Sucrose is a
Viscose rayon
Viscose rayon
Systemic insecticides
Systemic insecticides
Which is a high grade pulp?
Which is a high grade pulp?
Manufacture of phthalic anhydride uses __________ as a catalyst.
Manufacture of phthalic anhydride uses __________ as a catalyst.
The catalyst used in shift converter is
The catalyst used in shift converter is
Linde process of gas liquefaction employs
Linde process of gas liquefaction employs
Nickel is not used as a catalyst in the __________ reaction.
Nickel is not used as a catalyst in the __________ reaction.
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
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
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
Pure rectified spirit contains about __________ percent alcohol.
Pure rectified spirit contains about __________ percent alcohol.
Pick out the wrong statement.
Pick out the wrong statement.
Fluorescent dyes are added in detergents to
Fluorescent dyes are added in detergents to
Thorium is mainly used
Thorium is mainly used
Synthetic glycerine is produced from
Synthetic glycerine is produced from
Higher vicosity index of a lubricating oil denotes
Higher vicosity index of a lubricating oil denotes
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 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.
Vanillin is a type of
Vanillin is a type of
Which form of sulphur is the most stable at room temperature?
Which form of sulphur is the most stable at room temperature?
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.).
