Temporary hardness of water can be removed by
Temporary hardness of water can be removed by
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
Massacuits is a terminology used in the __________ industry.
Massacuits is a terminology used in the __________ industry.
Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid.
Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid.
In the Solvay process, the product from the calciner is
In the Solvay process, the product from the calciner is
Carboxymethyl cellulose (CMC) is added in detergents to
Carboxymethyl cellulose (CMC) is added in detergents to
Vegetable oils and fats basically differ in their
Vegetable oils and fats basically differ in their
Raw material used in alcohol distilleries in India is
Raw material used in alcohol distilleries in India is
Mercury cells for caustic soda manufacture, compared to diaphragm cells
Mercury cells for caustic soda manufacture, compared to diaphragm cells
Carboxymethyl cellulose (CMC) is added in detergents to act as a/an
Carboxymethyl cellulose (CMC) is added in detergents to act as a/an
Pick out the wrong statement pertaining to nitric acid.
Pick out the wrong statement pertaining to nitric acid.
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
Thermal pyrolysis of ethylene dichloride produces
Thermal pyrolysis of ethylene dichloride produces
Direct conversion of chemical energy into electrical energy is done in a
Direct conversion of chemical energy into electrical energy is done in a
The catalyst used in the manufacture of DDT is
The catalyst used in the manufacture of DDT is
Nitrile rubber is produced by the polymerisation of
Nitrile rubber is produced by the polymerisation of
__________ 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.
Polymethyl methacrylate (PMMA) is known as
Polymethyl methacrylate (PMMA) is known as
Economics of 'Solvay Process' depends upon the efficiency of
Economics of 'Solvay Process' depends upon the efficiency of
Sulphuric acid is mainly used in the __________ industry.
Sulphuric acid is mainly used in the __________ industry.
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
DDT stands for
DDT stands for
Oils and fats are converted to soap in a process called
Oils and fats are converted to soap in a process called
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
Sudden temperature fluctuation does not affect pyrex glass, because of its
Sudden temperature fluctuation does not affect pyrex glass, because of its
Trinitrotoluene (TNT), an explosive, is made by the nitration of
Trinitrotoluene (TNT), an explosive, is made by the nitration of
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?
Cation exchanger is regenerated usually with
Cation exchanger is regenerated usually with
Enzymes are organic catalysts used in the __________ reactions.
Enzymes are organic catalysts used in the __________ reactions.
Most commonly used rubber vulcanising agent is
Most commonly used rubber vulcanising agent is
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.
Helium is produced on commercial scale from
Helium is produced on commercial scale from
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?
Magnesium and calcium __________ cause temporary hardness of water.
Magnesium and calcium __________ cause temporary hardness of water.
Flash point of most vegetable oils is about __________ °C.
Flash point of most vegetable oils is about __________ °C.
Styrene-butadiene-rubber (SBR) as compared to natural rubber has
Styrene-butadiene-rubber (SBR) as compared to natural rubber has
Catalyst used during the manufacture of 'Vanaspati Ghee' is
Catalyst used during the manufacture of 'Vanaspati Ghee' 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.
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.
Glycerine is recovered from lye by
Glycerine is recovered from lye by
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.
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
Styrene (a monomer for the production of polystyrene) is commercially produced by
Styrene (a monomer for the production of polystyrene) is commercially produced by
Blue colour is imparted to glass by the addition of
Blue colour is imparted to glass by the addition of
Concentration of hydrogen peroxide is done by
Concentration of hydrogen peroxide is done by
Permanent hardness of water can be removed by
Permanent hardness of water can be removed by
The drug used in contraceptives is
The drug used in contraceptives is
Diaphragm electrolytic cell as compared to mercury electrolytic cell
Diaphragm electrolytic cell as compared to mercury electrolytic cell
Anion exchanger is regenerated usually with
Anion exchanger is regenerated usually with
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
CaCl(OCl) is the chemical formula of
CaCl(OCl) is the chemical formula of
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
Bisphenol A is produced by the condensation of acetone with
Bisphenol A is produced by the condensation of acetone with
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?
Black liquor is converted into white liquor by
Black liquor is converted into white liquor by
Fats as compared to oils have
Fats as compared to oils have
Permanent hardness of water can be removed by
Permanent hardness of water can be removed by
Which of the following is a disacchride?
Which of the following is a disacchride?
Catalytic oxidation of naphthalene produces
Catalytic oxidation of naphthalene produces
Coal tar is used as a
Coal tar is used as a
Paper pulp produced by kraft/sulphate process is
Paper pulp produced by kraft/sulphate process is
Presence of sodium tripolyphosphate (an additive) in synthetic detergent
Presence of sodium tripolyphosphate (an additive) in synthetic detergent
Acrylonitrile is mainly used in the __________ industry.
Acrylonitrile is mainly used in the __________ industry.
Phenol formaldehyde is produced by condensation polymerisation. It is also known as
Phenol formaldehyde is produced by condensation polymerisation. It is also known as
Esterification reaction
Esterification reaction
Use of hydrated lime in water treatment
Use of hydrated lime in water treatment
The process used for the manufacture of ethyl alcohol from molasses is
The process used for the manufacture of ethyl alcohol from molasses is
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
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 ?
Sea weeds are an important source of
Sea weeds are an important source of
Ore concentration by froth floatation utilises the __________ of ore particles.
Ore concentration by froth floatation utilises the __________ of ore particles.
Sulphuric acid saturated with SO₃ is called
Sulphuric acid saturated with SO₃ is called
Which of the following is used as a coagulant in water treatment?
Which of the following is used as a coagulant in water treatment?
Isopropyl benzene produced by alkylation of benzene with propylene is known as
Isopropyl benzene produced by alkylation of benzene with propylene is known as
Glycerine is a by-product of the __________ industry.
Glycerine is a by-product of the __________ industry.
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
Molecular weights of polymers are in the range of
Molecular weights of polymers are in the range of
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.
__________ are added in lacquers to remove film brittleness and to improve adhereness.
__________ are added in lacquers to remove film brittleness and to improve adhereness.
Permanent hardness of water can be removed by
Permanent hardness of water can be removed by
The most widely used coagulant for removing suspended impurities from water is
The most widely used coagulant for removing suspended impurities from water is
Prussian blue is chemically represented by
Prussian blue is chemically represented by
Main product in calcium carbide-water reaction is
Main product in calcium carbide-water reaction is
Commercial production of calcium carbide requires limestone and __________ as raw materials.
Commercial production of calcium carbide requires limestone and __________ as raw materials.
Fat splitting catalyst is
Fat splitting catalyst is
Starting raw material for the manufacture of maleic anhydride is
Starting raw material for the manufacture of maleic anhydride is
Starting material for the production of butadiene in India is
Starting material for the production of butadiene in India is
Dacron is a/an
Dacron is a/an
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
Nylon-6 as compared to Nylon-66 is having higher
Nylon-6 as compared to Nylon-66 is having higher
Neoprene is chemically known as
Neoprene is chemically known as
Rosin soap is added during paper manufacture to
Rosin soap is added during paper manufacture to
Salt cake is chemically represented by
Salt cake is chemically represented by
__________ of rubber decreases after its vulcanisation.
__________ of rubber decreases after its vulcanisation.
