The catalyst used in the manufacture of DDT is
The catalyst used in the manufacture of DDT is
Permanent hardness of water can be removed by
Permanent hardness of water can be removed by
Catalytic oxidation of naphthalene produces
Catalytic oxidation of naphthalene produces
The end bleaching agent used to move last traces of colour bodies from the pulp is
The end bleaching agent used to move last traces of colour bodies from the pulp is
Acrylonitrile is mainly used in the __________ industry.
Acrylonitrile is mainly used in the __________ industry.
Carboxymethyl cellulose (CMC) is added in detergents to act as a/an
Carboxymethyl cellulose (CMC) is added in detergents to act as a/an
Separation of fresh water from sea water can be done by the __________ operation.
Separation of fresh water from sea water can be done by the __________ operation.
Mercury cells for caustic soda manufacture, compared to diaphragm cells
Mercury cells for caustic soda manufacture, compared to diaphragm cells
Oils and fats are converted to soap in a process called
Oils and fats are converted to soap in a process called
In the Solvay process, the product from the calciner is
In the Solvay process, the product from the calciner is
Which of the following is a disacchride?
Which of the following is a disacchride?
The process involved in converting rubber into a thin sheet or coating it on fabric is called
The process involved in converting rubber into a thin sheet or coating it on fabric is called
__________ are added in lacquers to remove film brittleness and to improve adhereness.
__________ are added in lacquers to remove film brittleness and to improve adhereness.
Main product in calcium carbide-water reaction is
Main product in calcium carbide-water reaction is
The most widely used coagulant for removing suspended impurities from water is
The most widely used coagulant for removing suspended impurities from water is
Styrene-butadiene-rubber (SBR) as compared to natural rubber has
Styrene-butadiene-rubber (SBR) as compared to natural rubber has
Permanent hardness of water can be removed by
Permanent hardness of water can be removed by
Rosin soap is added during paper manufacture to
Rosin soap is added during paper manufacture to
Massacuits is a terminology used in the __________ industry.
Massacuits is a terminology used in the __________ industry.
Flash point of most vegetable oils is about __________ °C.
Flash point of most vegetable oils is about __________ °C.
Trinitrotoluene (TNT), an explosive, is made by the nitration of
Trinitrotoluene (TNT), an explosive, is made by the nitration of
Isopropyl benzene produced by alkylation of benzene with propylene is known as
Isopropyl benzene produced by alkylation of benzene with propylene is known as
Use of hydrated lime in water treatment
Use of hydrated lime in water treatment
Prussian blue is chemically represented by
Prussian blue is chemically represented by
Permanent hardness of water can be removed by
Permanent hardness of water can be removed by
Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid.
Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid.
Good quality of edible salt is obtained from brine by the process of
Good quality of edible salt is obtained from brine by the process of
Commercial production of calcium carbide requires limestone and __________ as raw materials.
Commercial production of calcium carbide requires limestone and __________ as raw materials.
Starting material for the production of butadiene in India is
Starting material for the production of butadiene in India is
Concentration of hydrogen peroxide is done by
Concentration of hydrogen peroxide is done by
Which of the following is not required in the manufacture of soda ash by Solvay process?
Which of the following is not required in the manufacture of soda ash by Solvay process?
Coal tar is used as a
Coal tar is used as a
Nitrile rubber is produced by the polymerisation of
Nitrile rubber is produced by the polymerisation of
The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to
The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to
Fat splitting catalyst is
Fat splitting catalyst is
DDT stands for
DDT stands for
Which of the following is the purest form of water out of the following ?
Which of the following is the purest form of water out of the following ?
Starting raw material for the manufacture of maleic anhydride is
Starting raw material for the manufacture of maleic anhydride is
Helium is produced on commercial scale from
Helium is produced on commercial scale from
Styrene (a monomer for the production of polystyrene) is commercially produced by
Styrene (a monomer for the production of polystyrene) is commercially produced by
Salt cake is chemically represented by
Salt cake is chemically represented by
Sudden temperature fluctuation does not affect pyrex glass, because of its
Sudden temperature fluctuation does not affect pyrex glass, because of its
The drug used in contraceptives is
The drug used in contraceptives is
Enzymes are organic catalysts used in the __________ reactions.
Enzymes are organic catalysts used in the __________ reactions.
Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process?
Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process?
Blue colour is imparted to glass by the addition of
Blue colour is imparted to glass by the addition of
Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the
Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the
Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass.
Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass.
Paper pulp produced by kraft/sulphate process is
Paper pulp produced by kraft/sulphate process is
Sucrose content in the raw juice extracted from sugar cane is about __________ percent.
Sucrose content in the raw juice extracted from sugar cane is about __________ percent.
Phenol formaldehyde is produced by condensation polymerisation. It is also known as
Phenol formaldehyde is produced by condensation polymerisation. It is also known as
Presence of sodium tripolyphosphate (an additive) in synthetic detergent
Presence of sodium tripolyphosphate (an additive) in synthetic detergent
Economics of 'Solvay Process' depends upon the efficiency of
Economics of 'Solvay Process' depends upon the efficiency of
Nylon-6 as compared to Nylon-66 is having higher
Nylon-6 as compared to Nylon-66 is having higher
Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent.
Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent.
The process used for the manufacture of ethyl alcohol from molasses is
The process used for the manufacture of ethyl alcohol from molasses is
Glycerine is recovered from lye by
Glycerine is recovered from lye by
Fats as compared to oils have
Fats as compared to oils have
Esterification reaction
Esterification reaction
Thermal pyrolysis of ethylene dichloride produces
Thermal pyrolysis of ethylene dichloride produces
Pick out the wrong statement pertaining to nitric acid.
Pick out the wrong statement pertaining to nitric acid.
Bisphenol A is produced by the condensation of acetone with
Bisphenol A is produced by the condensation of acetone with
Catalyst used during the manufacture of 'Vanaspati Ghee' is
Catalyst used during the manufacture of 'Vanaspati Ghee' is
Raw material used in alcohol distilleries in India is
Raw material used in alcohol distilleries in India is
Anion exchanger is regenerated usually with
Anion exchanger is regenerated usually with
Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo?
Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo?
Neoprene is chemically known as
Neoprene is chemically known as
Most commonly used rubber vulcanising agent is
Most commonly used rubber vulcanising agent is
Temporary hardness of water can be removed by
Temporary hardness of water can be removed by
Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulphonic acid produces sodium dodecylbenzene sulphate, which is a/an
Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulphonic acid produces sodium dodecylbenzene sulphate, which is a/an
Sulphuric acid saturated with SO₃ is called
Sulphuric acid saturated with SO₃ is called
Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on
Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on
Direct conversion of chemical energy into electrical energy is done in a
Direct conversion of chemical energy into electrical energy is done in a
Diaphragm electrolytic cell as compared to mercury electrolytic cell
Diaphragm electrolytic cell as compared to mercury electrolytic cell
__________ of rubber decreases after its vulcanisation.
__________ of rubber decreases after its vulcanisation.
__________ is used as a flux in the extraction of iron from iron ore (hametite) in blast furnace.
__________ is used as a flux in the extraction of iron from iron ore (hametite) in blast furnace.
Which of the following is used as a coagulant in water treatment?
Which of the following is used as a coagulant in water treatment?
A bio-catalyst produced by living cells which acts independent of the cell is called a/an
A bio-catalyst produced by living cells which acts independent of the cell is called a/an
Pick out the wrong statement. Iodine value of an oil or fat is
Pick out the wrong statement. Iodine value of an oil or fat is
Alcohol content in freshly prepared natural and fortified wine may be respectively around __________ percent.
Alcohol content in freshly prepared natural and fortified wine may be respectively around __________ percent.
CaCl(OCl) is the chemical formula of
CaCl(OCl) is the chemical formula of
Polymethyl methacrylate (PMMA) is known as
Polymethyl methacrylate (PMMA) is known as
Carboxymethyl cellulose (CMC) is added in detergents to
Carboxymethyl cellulose (CMC) is added in detergents to
Glycerine is a by-product of the __________ industry.
Glycerine is a by-product of the __________ industry.
Ore concentration by froth floatation utilises the __________ of ore particles.
Ore concentration by froth floatation utilises the __________ of ore particles.
Cation exchanger is regenerated usually with
Cation exchanger is regenerated usually with
Dacron is a/an
Dacron is a/an
Magnesium and calcium __________ cause temporary hardness of water.
Magnesium and calcium __________ cause temporary hardness of water.
Sulphuric acid is mainly used in the __________ industry.
Sulphuric acid is mainly used in the __________ industry.
Conversion of CO to CO₂ by steam in presence of a catalyst is called
Conversion of CO to CO₂ by steam in presence of a catalyst is called
Resistance to fusion of the refractory under a steady rising temperature condition is called
Resistance to fusion of the refractory under a steady rising temperature condition is called
Vegetable oils and fats basically differ in their
Vegetable oils and fats basically differ in their
Black liquor is converted into white liquor by
Black liquor is converted into white liquor by
Sea weeds are an important source of
Sea weeds are an important source of
Molecular weights of polymers are in the range of
Molecular weights of polymers are in the range of
