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