During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as
During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as
Argon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air is
Argon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air is
Nitric acid is not used in the manufacture of
Nitric acid is not used in the manufacture of
Ultimate analysis of coal determines its __________ content.
Ultimate analysis of coal determines its __________ content.
Sucrose is a disaccharide consisting of
Sucrose is a disaccharide consisting of
90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at __________ °C.
90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at __________ °C.
Nylon-6 is manufactured from
Nylon-6 is manufactured from
Coke used for the production of calcium carbide should have
Coke used for the production of calcium carbide should have
With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide
With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide
Pasteurisation of milk means
Pasteurisation of milk means
Fat dispersed in water is exemplified by
Fat dispersed in water is exemplified by
Unsaturated oils compared to saturated oils have
Unsaturated oils compared to saturated oils have
DDT should not be allowed to come in contact with iron (during its manufacture) to
DDT should not be allowed to come in contact with iron (during its manufacture) to
__________ is used as a catalyst in fat splitting.
__________ is used as a catalyst in fat splitting.
'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of
'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of
Which of the following is used as a binding material in soap to improve soap texture?
Which of the following is used as a binding material in soap to improve soap texture?
Nylon-6 is a
Nylon-6 is a
Chloramines are used in water treatment for
Chloramines are used in water treatment for
A 'unit process' is exemplified by the
A 'unit process' is exemplified by the
What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell?
What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell?
Extraction of __________ employs an electrolytic process.
Extraction of __________ employs an electrolytic process.
High acid value of an oil or fat is an indication of
High acid value of an oil or fat is an indication of
Le-Blanc process is a primitive process for the manufacture of
Le-Blanc process is a primitive process for the manufacture of
Pick out the wrong statement.
Pick out the wrong statement.
'Hollander beater' machine used in the paper manufacturing plant does not accomplish the task of
'Hollander beater' machine used in the paper manufacturing plant does not accomplish the task of
Percentage of glycerene present in the spent lye obtained during soap manufacture is about
Percentage of glycerene present in the spent lye obtained during soap manufacture is about
Removal of dirt/soil by soaps or detergent does not involve the __________ of soil.
Removal of dirt/soil by soaps or detergent does not involve the __________ of soil.
Liquefaction of gases can not be done by
Liquefaction of gases can not be done by
Soaps remove dirt by
Soaps remove dirt by
Adipic acid is an intermediate in the manufacture of
Adipic acid is an intermediate in the manufacture of
Producer gas consists mainly of
Producer gas consists mainly of
Oil produced by solvent extraction
Oil produced by solvent extraction
Cellulose percentage in bamboo fibre is about
Cellulose percentage in bamboo fibre is about
__________ process is used for the manufacture of sodium carbonate by ammonia soda process.
__________ process is used for the manufacture of sodium carbonate by ammonia soda process.
Boiling of water containing temporary hardness produces
Boiling of water containing temporary hardness produces
Pick out the false statement pertaining to water treatment.
Pick out the false statement pertaining to water treatment.
The purpose of tanning in leather industry is to
The purpose of tanning in leather industry is to
Cement setting under water employs a/an __________ process.
Cement setting under water employs a/an __________ process.
Styrene butadiene rubber (SBR) is
Styrene butadiene rubber (SBR) is
Riboflavin is a/an
Riboflavin is a/an
Hydrogen gas is not produced commercially (for nitrogeneous fertiliser manufacture) by
Hydrogen gas is not produced commercially (for nitrogeneous fertiliser manufacture) by
Hydrazine is used in water treatment for the removal of
Hydrazine is used in water treatment for the removal of
Hydrochloric acid is also known as
Hydrochloric acid is also known as
Phthalic anhydride is used
Phthalic anhydride is used
Saponification value/number of an oil or fat is a measure of its
Saponification value/number of an oil or fat is a measure of its
A substance produced by a living organism and capable of anti-microbial activity is called a/an
A substance produced by a living organism and capable of anti-microbial activity is called a/an
Grignard reagent is chemically known as
Grignard reagent is chemically known as
In multistage equilibrium conversion of SO₂ to SO₃ (2SO₂ + O₂ ⇋ 2SO₃), the reverse reaction becomes appreciable at a temperature of 550° C. The percentage equilibrium conversion of SO₂ to SO₃ can be increased by
In multistage equilibrium conversion of SO₂ to SO₃ (2SO₂ + O₂ ⇋ 2SO₃), the reverse reaction becomes appreciable at a temperature of 550° C. The percentage equilibrium conversion of SO₂ to SO₃ can be increased by
Major component of flint glass is
Major component of flint glass is
__________ iron is the purest form of iron.
__________ iron is the purest form of iron.
L.D. converter is used in the production of
L.D. converter is used in the production of
Pick out the wrong statement.
Pick out the wrong statement.
Which one of the following is not likely to be a constituent of vegetable oils?
Which one of the following is not likely to be a constituent of vegetable oils?
Phthalic anhydride is produced by the oxidation of
Phthalic anhydride is produced by the oxidation of
Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C.
Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C.
Which of the following is not present in bagasse fibre?
Which of the following is not present in bagasse fibre?
Builders are added in soap to act as
Builders are added in soap to act as
Dry ice (solidified CO₂) is used for the
Dry ice (solidified CO₂) is used for the
Proximate analysis of coal determines its __________ content.
Proximate analysis of coal determines its __________ content.
Gun powder, which is an explosive comprises of charcoal, sulphur and
Gun powder, which is an explosive comprises of charcoal, sulphur and
Shaving soaps are
Shaving soaps are
Purity of oxygen used for blowing in steel making L.D. converter is 99.5%. The boiling point of oxygen is about __________ °C.
Purity of oxygen used for blowing in steel making L.D. converter is 99.5%. The boiling point of oxygen is about __________ °C.
Function of thinner in a paint is to
Function of thinner in a paint is to
Phosphoric acid is prepared from
Phosphoric acid is prepared from
Ordinary glass is not a/an
Ordinary glass is not a/an
Oleum produces fumes of
Oleum produces fumes of
Main constituents of cotton fiber is
Main constituents of cotton fiber is
Phenol is mainly used
Phenol is mainly used
Setting of plaster of paris is accompanied with
Setting of plaster of paris is accompanied with
In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the
In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the
Which of the following is the main constituent of the mother liquor produced in salt industry?
Which of the following is the main constituent of the mother liquor produced in salt industry?
Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C.
Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C.
Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent.
Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent.
Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine?
Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine?
__________ acid is the main constituent of cotton seed oil.
__________ acid is the main constituent of cotton seed oil.
Nylon 6-6 is manufactured from
Nylon 6-6 is manufactured from
Sea water contains about __________ ppm of bromine.
Sea water contains about __________ ppm of bromine.
Superior quality laboratory apparatus is made of the __________ glass having low thermal co-efficient of expansion & high chemical resistance.
Superior quality laboratory apparatus is made of the __________ glass having low thermal co-efficient of expansion & high chemical resistance.
Process conditions in fermentator used for production of penicillin is
Process conditions in fermentator used for production of penicillin is
Silicon carbide is a/an
Silicon carbide is a/an
Polymerisation product of C₂F4 (carbon tetraflouride) is called P.T.F.E (poly chloro tetra flouro ethylene). It is also called
Polymerisation product of C₂F4 (carbon tetraflouride) is called P.T.F.E (poly chloro tetra flouro ethylene). It is also called
Sodium carbonate (soda ash) is not used in the manufacture of
Sodium carbonate (soda ash) is not used in the manufacture of
Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C.
Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C.
CO & H₂ are the constituents of
CO & H₂ are the constituents of
Pig iron is produced by blast furnaces in India using mostly the iron ore named
Pig iron is produced by blast furnaces in India using mostly the iron ore named
Parathion and Malathion are
Parathion and Malathion are
Silicone is a/an
Silicone is a/an
Starting material for the production of styrene butadiene rubber (SBR) is
Starting material for the production of styrene butadiene rubber (SBR) is
__________ is an ore concentrating metallurgical process involving a chemical change.
__________ is an ore concentrating metallurgical process involving a chemical change.
Plaster of Paris is
Plaster of Paris is
Hydrodenation of vegetable oils is a/an __________ reaction.
Hydrodenation of vegetable oils is a/an __________ reaction.
Pick out the exothermic reaction out of the following:
Pick out the exothermic reaction out of the following:
In premitive days, __________ was being manufactured by Leblanc Process.
In premitive days, __________ was being manufactured by Leblanc Process.
Yellow glycerine is made into white, using
Yellow glycerine is made into white, using
Pick out the endothermic reaction out of the following.
Pick out the endothermic reaction out of the following.
The basic constituent of vegetable oils is
The basic constituent of vegetable oils is
Pick out the true statement pertaining to water treatment.
Pick out the true statement pertaining to water treatment.
Conversion of SO₂ to SO₃ in Monsanto 4-pass converter is about __________ percent.
Conversion of SO₂ to SO₃ in Monsanto 4-pass converter is about __________ percent.
Which allotrope of sulphur is insoluble in carbon disulphide?
Which allotrope of sulphur is insoluble in carbon disulphide?
Hydrogenation of oil/fat does not
Hydrogenation of oil/fat does not
The most reactive allotropic form of phosphorus is __________ phosphorus.
The most reactive allotropic form of phosphorus is __________ phosphorus.
Average sulphur content in Indian pyrites is about __________ percent.
Average sulphur content in Indian pyrites is about __________ percent.
Phenol formaldehyde
Phenol formaldehyde
Pick out the wrong statement.
Pick out the wrong statement.
Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of
Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of
Polyvinyl chloride (PVC) is
Polyvinyl chloride (PVC) is
Pick out the wrong statement.
Pick out the wrong statement.
Permanent hardness of water is due to the presence of calcium & magnesium
Permanent hardness of water is due to the presence of calcium & magnesium
__________ process is used for producing soda ash.
__________ process is used for producing soda ash.
Pick out the wrong statement.
Pick out the wrong statement.
Absorption of SO₃ in 97% H₂SO₄ is
Absorption of SO₃ in 97% H₂SO₄ is
Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the __________ process.
Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the __________ process.
Which one of the following is not an elastomer?
Which one of the following is not an elastomer?
The major constituent of black liquor generated during paper manufacture is sodium
The major constituent of black liquor generated during paper manufacture is sodium
