Process conditions in fermentator used for production of penicillin is
Process conditions in fermentator used for production of penicillin is
Shaving soaps are
Shaving soaps are
Oil produced by solvent extraction
Oil produced by solvent extraction
Boiling of water containing temporary hardness produces
Boiling of water containing temporary hardness produces
Phosphoric acid is prepared from
Phosphoric acid is prepared from
Phenol is mainly used
Phenol is mainly used
Nylon-6 is a
Nylon-6 is a
Plaster of Paris is
Plaster of Paris is
Unsaturated oils compared to saturated oils have
Unsaturated oils compared to saturated oils have
Which of the following is not present in bagasse fibre?
Which of the following is not present in bagasse fibre?
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.
Fat dispersed in water is exemplified by
Fat dispersed in water is exemplified by
Nitric acid is not used in the manufacture of
Nitric acid is not used in the manufacture of
Adipic acid is an intermediate in the manufacture of
Adipic acid is an intermediate in the manufacture of
Hydrochloric acid is also known as
Hydrochloric acid is also known as
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.
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?
Setting of plaster of paris is accompanied with
Setting of plaster of paris is accompanied with
Soaps remove dirt by
Soaps remove dirt by
The most reactive allotropic form of phosphorus is __________ phosphorus.
The most reactive allotropic form of phosphorus is __________ phosphorus.
Pick out the wrong statement.
Pick out the wrong statement.
Pick out the wrong statement.
Pick out the wrong statement.
Extraction of __________ employs an electrolytic process.
Extraction of __________ employs an electrolytic process.
Coke used for the production of calcium carbide should have
Coke used for the production of calcium carbide should have
__________ iron is the purest form of iron.
__________ iron is the purest form of iron.
__________ process is used for producing soda ash.
__________ process is used for producing soda ash.
Yellow glycerine is made into white, using
Yellow glycerine is made into white, using
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.
Phthalic anhydride is used
Phthalic anhydride is used
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.
Pick out the false statement pertaining to water treatment.
Pick out the false statement pertaining to water treatment.
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.
Pick out the wrong statement.
Pick out the wrong statement.
'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
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
Main constituents of cotton fiber is
Main constituents of cotton fiber is
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
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
In premitive days, __________ was being manufactured by Leblanc Process.
In premitive days, __________ was being manufactured by Leblanc Process.
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
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.
Riboflavin is a/an
Riboflavin is a/an
CO & H₂ are the constituents of
CO & H₂ are the constituents of
Function of thinner in a paint is to
Function of thinner in a paint is to
Proximate analysis of coal determines its __________ content.
Proximate analysis of coal determines its __________ content.
Builders are added in soap to act as
Builders are added in soap to act as
Le-Blanc process is a primitive process for the manufacture of
Le-Blanc process is a primitive process for the manufacture of
Which allotrope of sulphur is insoluble in carbon disulphide?
Which allotrope of sulphur is insoluble in carbon disulphide?
Cellulose percentage in bamboo fibre is about
Cellulose percentage in bamboo fibre is about
Pick out the wrong statement.
Pick out the wrong statement.
Ultimate analysis of coal determines its __________ content.
Ultimate 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
__________ is an ore concentrating metallurgical process involving a chemical change.
__________ is an ore concentrating metallurgical process involving a chemical change.
Hydrazine is used in water treatment for the removal of
Hydrazine is used in water treatment for the removal of
Sucrose is a disaccharide consisting of
Sucrose is a disaccharide consisting of
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
Which one of the following is not an elastomer?
Which one of the following is not an elastomer?
Pick out the true statement pertaining to water treatment.
Pick out the true statement pertaining to water treatment.
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
Starting material for the production of styrene butadiene rubber (SBR) is
Starting material for the production of styrene butadiene rubber (SBR) is
Grignard reagent is chemically known as
Grignard reagent is chemically known as
The basic constituent of vegetable oils is
The basic constituent of vegetable oils is
Liquefaction of gases can not be done by
Liquefaction of gases can not be done by
Phthalic anhydride is produced by the oxidation of
Phthalic anhydride is produced by the oxidation of
Producer gas consists mainly of
Producer gas consists mainly of
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
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?
Nylon 6-6 is manufactured from
Nylon 6-6 is manufactured from
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
The major constituent of black liquor generated during paper manufacture is sodium
The major constituent of black liquor generated during paper manufacture is sodium
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
Oleum produces fumes of
Oleum produces fumes of
Pick out the endothermic reaction out of the following.
Pick out the endothermic reaction out of the following.
Sodium carbonate (soda ash) is not used in the manufacture of
Sodium carbonate (soda ash) is not used in the manufacture of
Dry ice (solidified CO₂) is used for the
Dry ice (solidified CO₂) is used for the
'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
Parathion and Malathion are
Parathion and Malathion are
Pick out the wrong statement.
Pick out the wrong statement.
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?
Phenol formaldehyde
Phenol formaldehyde
Silicone is a/an
Silicone is a/an
Silicon carbide is a/an
Silicon carbide is a/an
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
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
Ordinary glass is not a/an
Ordinary glass is not a/an
Permanent hardness of water is due to the presence of calcium & magnesium
Permanent hardness of water is due to the presence of calcium & magnesium
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?
__________ acid is the main constituent of cotton seed oil.
__________ acid is the main constituent of cotton seed oil.
Sea water contains about __________ ppm of bromine.
Sea water contains about __________ ppm of bromine.
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.
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?
Chloramines are used in water treatment for
Chloramines are used in water treatment for
Hydrodenation of vegetable oils is a/an __________ reaction.
Hydrodenation of vegetable oils is a/an __________ reaction.
Nylon-6 is manufactured from
Nylon-6 is manufactured from
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.
Hydrogen gas is not produced commercially (for nitrogeneous fertiliser manufacture) by
Hydrogen gas is not produced commercially (for nitrogeneous fertiliser manufacture) by
High acid value of an oil or fat is an indication of
High acid value of an oil or fat is an indication of
Absorption of SO₃ in 97% H₂SO₄ is
Absorption of SO₃ in 97% H₂SO₄ is
__________ is used as a catalyst in fat splitting.
__________ is used as a catalyst in fat splitting.
Major component of flint glass is
Major component of flint glass is
L.D. converter is used in the production of
L.D. converter is used in the production of
Pick out the exothermic reaction out of the following:
Pick out the exothermic reaction out of the following:
The purpose of tanning in leather industry is to
The purpose of tanning in leather industry is to
Polyvinyl chloride (PVC) is
Polyvinyl chloride (PVC) is
Average sulphur content in Indian pyrites is about __________ percent.
Average sulphur content in Indian pyrites is about __________ percent.
__________ 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.
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
Hydrogenation of oil/fat does not
Hydrogenation of oil/fat does not
Pasteurisation of milk means
Pasteurisation of milk means
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.
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.
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
