Fermentation is adversely affected by the
Fermentation is adversely affected by the
Hydrogen gas is not produced commercially (for nitrogeneous fertiliser manufacture) by
Hydrogen gas is not produced commercially (for nitrogeneous fertiliser manufacture) by
In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed :
In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed :
Which of the following has sodium bicarbonate as its main constituent ?
Which of the following has sodium bicarbonate as its main constituent ?
Function of thinner in a paint is to
Function of thinner in a paint is to
__________ iron is the purest form of iron.
__________ iron is the purest form of iron.
Boiling of water containing temporary hardness produces
Boiling of water containing temporary hardness produces
'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
Main use of hydrazine is
Main use of hydrazine is
Nylon 66 is so named because the
Nylon 66 is so named because the
Na₂CO₃.10H₂O is called
Na₂CO₃.10H₂O is called
Which of the following is not an antibiotic?
Which of the following is not an antibiotic?
Widely used method for the conditioning of boiler feed water is the
Widely used method for the conditioning of boiler feed water is the
The most reactive allotropic form of phosphorus is __________ phosphorus.
The most reactive allotropic form of phosphorus is __________ phosphorus.
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
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
Unsaturated oils compared to saturated oils have
Unsaturated oils compared to saturated oils have
Which of the following is not produced on commercial scale from sea water?
Which of the following is not produced on commercial scale from sea water?
Which of the following is not present in bagasse fibre?
Which of the following is not present in bagasse fibre?
Nylon-6 is a
Nylon-6 is a
Nitric acid is not used in the manufacture of
Nitric acid is not used in the manufacture of
Flexible foam (for mattresses) is usually made of
Flexible foam (for mattresses) is usually made of
__________ acid is the main constituent of cotton seed oil.
__________ acid is the main constituent of cotton seed oil.
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?
Finely ground calcium aluminate & silicate is a/an
Finely ground calcium aluminate & silicate is a/an
Main constituents of portland cement are calcium aluminate and
Main constituents of portland cement are calcium aluminate and
Massecuite is
Massecuite 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
Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?
Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?
The purpose of tanning in leather industry is to
The purpose of tanning in leather industry is to
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.
Pick out the wrong statement.
Pick out the wrong statement.
Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction?
Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction?
How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln?
How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln?
Which of the following sugars is the sweetest?
Which of the following sugars is the sweetest?
Neoprene is a
Neoprene is a
Main use of liquid nitrogen is in
Main use of liquid nitrogen is in
Starting material for the commercial production of ethyl alcohol in India is
Starting material for the commercial production of ethyl alcohol in India is
CO & H₂ are the constituents of
CO & H₂ are the constituents of
The only commercial Fischer-Tropsch plant for producing liquid hydrocarbon fuel from coal is located at
The only commercial Fischer-Tropsch plant for producing liquid hydrocarbon fuel from coal is located at
Pick out the wrong statement.
Pick out the wrong statement.
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
Pick out the wrong statement.
Pick out the wrong statement.
The basic constituent of vegetable oils is
The basic constituent of vegetable oils is
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?
Phosphoric acid is prepared from
Phosphoric acid is prepared from
Nitrogen is an essential component of
Nitrogen is an essential component of
Ordinary glass is not a/an
Ordinary glass is not a/an
Oxidation of SO₂ to SO₃ is favoured by
Oxidation of SO₂ to SO₃ is favoured 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
Which of the following is an yellow pigment?
Which of the following is an yellow pigment?
Pick out the wrong statement.
Pick out the wrong statement.
In an integrated steel plant, NH₃ present in coke oven gas is normally recovered as
In an integrated steel plant, NH₃ present in coke oven gas is normally recovered as
H₂S is scrubbed from refinery gases by absorption using
H₂S is scrubbed from refinery gases by absorption using
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.
Cumene is the starting material for the production of
Cumene is the starting material for the production of
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?
Sodium carbonate (soda ash) is not used in the manufacture of
Sodium carbonate (soda ash) is not used in the manufacture of
Process conditions in fermentator used for production of penicillin is
Process conditions in fermentator used for production of penicillin is
Commercially ethylene is produced from naphtha by
Commercially ethylene is produced from naphtha by
Cellulose percentage in bamboo fibre is about
Cellulose percentage in bamboo fibre is about
Dehydrogenation of isopropanol produces
Dehydrogenation of isopropanol produces
Main constituents of cotton fiber is
Main constituents of cotton fiber is
In premitive days, __________ was being manufactured by Leblanc Process.
In premitive days, __________ was being manufactured by Leblanc Process.
Margarine is a/an
Margarine is a/an
A mineral is termed as 'ore', if
A mineral is termed as 'ore', if
Nylon 6-6 is manufactured from
Nylon 6-6 is manufactured from
The major constituent of black liquor generated during paper manufacture is sodium
The major constituent of black liquor generated during paper manufacture is sodium
__________ 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.
Oleum produces fumes of
Oleum produces fumes of
Absorption of SO₃ in 97% H₂SO₄ is
Absorption of SO₃ in 97% H₂SO₄ is
Coke used for the production of calcium carbide should have
Coke used for the production of calcium carbide should have
Which of the following is not a food additive?
Which of the following is not a food additive?
Hydrochloric acid is also known as
Hydrochloric acid is also known as
Tall oil obtained as a by-product from the black liquor recovery is
Tall oil obtained as a by-product from the black liquor recovery is
Low purity oxygen is used for
Low purity oxygen is used for
Reverse osmosis is normally used for the
Reverse osmosis is normally used for the
Which one of the following is not an elastomer?
Which one of the following is not an elastomer?
Liquefaction of gases can not be done by
Liquefaction of gases can not be done by
Naphthols are derivates of
Naphthols are derivates of
Na₂CO₃ is called
Na₂CO₃ is called
Which of the following is not an insecticide?
Which of the following is not an insecticide?
Concentration of sulphide ores is done usually by
Concentration of sulphide ores is done usually by
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?
The manufacture of Kraft pulp is done by a/an __________ process.
The manufacture of Kraft pulp is done by a/an __________ process.
Neoprene is the trade name of
Neoprene is the trade name of
Pick out the wrong statement.
Pick out the wrong statement.
Which of the following is the second major component of cement?
Which of the following is the second major component of cement?
Which of the following is not a raw material used for the manufacture of ordinary glass?
Which of the following is not a raw material used for the manufacture of ordinary glass?
Ceramics are produced from silicates or clayish materials: Which of the following is not a ceramic material?
Ceramics are produced from silicates or clayish materials: Which of the following is not a ceramic material?
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
Nylon-6 is manufactured from
Nylon-6 is manufactured from
Molasses is the starting material for the production of
Molasses is the starting material for the production of
Dry ice (solidified CO₂) is used for the
Dry ice (solidified CO₂) is used for the
Pick out the wrong statement.
Pick out the wrong statement.
