Zeolite used in water softening process (cation exchange) is regenerated by washing with
Zeolite used in water softening process (cation exchange) is regenerated by washing with
Bleaching of paper pulp is done with
Bleaching of paper pulp is done with
Glycerine is not used in the
Glycerine is not used in the
Starting raw material for the manufacture of alum is
Starting raw material for the manufacture of alum is
Which of the following impurities in feed water for high pressure boiler is the most detrimental?
Which of the following impurities in feed water for high pressure boiler is the most detrimental?
Kopper-Totzek coal gasifier
Kopper-Totzek coal gasifier
Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is
Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is
In Kraft process of paper manufacture, white cooking liquor consists of caustic soda
In Kraft process of paper manufacture, white cooking liquor consists of caustic soda
Ethyl alcohol cannot be produced
Ethyl alcohol cannot be produced
Catalyst used in the hydrogenation of oil is
Catalyst used in the hydrogenation of oil is
Which of the following is a constituent of coffee?
Which of the following is a constituent of coffee?
Which of the following is an explosive?
Which of the following is an explosive?
Reaction of ethylene glycol and dimethyl terephthalate (DMT) produces
Reaction of ethylene glycol and dimethyl terephthalate (DMT) produces
During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to
During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to
Electrodeposition of metals i.e. electroplating is never done on
Electrodeposition of metals i.e. electroplating is never done on
Cooking liquor in case of sulphite process is
Cooking liquor in case of sulphite process is
Industrial production of chloroform requires acetone and
Industrial production of chloroform requires acetone and
Glycerine can be obtained from
Glycerine can be obtained from
Stereospecific agents are exemplified by
Stereospecific agents are exemplified by
Hydrolysis of sugar is called
Hydrolysis of sugar is called
Frasch process is for
Frasch process is for
Sodium chloride content in sea water is about __________ gms/litre.
Sodium chloride content in sea water is about __________ gms/litre.
Solvay process is used for the manufacture of
Solvay process is used for the manufacture of
The most stable allotropic form of phosphorous is the __________ phosphorous.
The most stable allotropic form of phosphorous is the __________ phosphorous.
Glauber's salt is chemically
Glauber's salt is chemically
Coke oven gas consists mainly of
Coke oven gas consists mainly of
Detergent is produced by the sulphonation of dodecyl benzene, which is an __________ reaction.
Detergent is produced by the sulphonation of dodecyl benzene, which is an __________ reaction.
Hydrogenation of oil does not
Hydrogenation of oil does not
Yellow phosphorus is transported under
Yellow phosphorus is transported under
Gypsum is chemically
Gypsum is chemically
Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.
Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.
__________ is the major constituent of the Portland cement.
__________ is the major constituent of the Portland cement.
Insulin is an __________ drug.
Insulin is an __________ drug.
Which of the following is not a pyrite ore?
Which of the following is not a pyrite ore?
__________ is produced using polycondensation reaction.
__________ is produced using polycondensation reaction.
Plasticisers are added to paints to
Plasticisers are added to paints to
Hydrazine is largely used
Hydrazine is largely used
The combustion reaction, C + O₂ = CO₂, is
The combustion reaction, C + O₂ = CO₂, is
Brackish water which contains mostly dissolved salt, can be purified by the __________ process.
Brackish water which contains mostly dissolved salt, can be purified by the __________ process.
The yield of tar from high temperature carbonisation of dry coal is about __________ percent.
The yield of tar from high temperature carbonisation of dry coal is about __________ percent.
Deacon's method is used for the manufacture of
Deacon's method is used for the manufacture of
The amount of benzene present in pure benzol is about __________ percent.
The amount of benzene present in pure benzol is about __________ percent.
The product obtained on mixing calcium oxide with water is called
The product obtained on mixing calcium oxide with water is called
Gun powder uses
Gun powder uses
High purity nitrogen is used in
High purity nitrogen is used in
Concentration of NaOH solution produced by mercury electrolytic cell is about __________ percent.
Concentration of NaOH solution produced by mercury electrolytic cell is about __________ percent.
Flux addition during smelting of ore is done to
Flux addition during smelting of ore is done to
Salt is added in the kettle during soap manufacture to separate
Salt is added in the kettle during soap manufacture to separate
Kaoline is a/an
Kaoline is a/an
Commonly used glass is known as the __________ glass.
Commonly used glass is known as the __________ glass.
Inversion of sucrose produces
Inversion of sucrose produces
The terminology 'BTX' used in coal tar distillation industry refers to
The terminology 'BTX' used in coal tar distillation industry refers to
The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.
The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.
Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have
Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have
Use of chlorine in the treatment of sewage
Use of chlorine in the treatment of sewage
Catalytic oxidation-dehydrogenation of methyl alcohol produces
Catalytic oxidation-dehydrogenation of methyl alcohol produces
Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell process for the production of caustic soda?
Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell process for the production of caustic soda?
Sulphuric acid completely saturated with sulphur trioxide is called
Sulphuric acid completely saturated with sulphur trioxide is called
Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene?
Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene?
Pick out the wrong statement pertaining to the soap manufacture.
Pick out the wrong statement pertaining to the soap manufacture.
Essential oils are usually obtained using
Essential oils are usually obtained using
Carbon disulphide is mainly used in the production of
Carbon disulphide is mainly used in the production of
White phosphorous is stored under water, because
White phosphorous is stored under water, because
Basic oxide is absent in __________ glass.
Basic oxide is absent in __________ glass.
The main component of pyrex glass is
The main component of pyrex glass is
Very fine suspended and colloidal impurities are removed from water by a process called
Very fine suspended and colloidal impurities are removed from water by a process called
Graphite is a/an
Graphite is a/an
High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to
High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to
Chalcopyrite is the main ore of
Chalcopyrite is the main ore of
Lime and soda ash are added to water to remove
Lime and soda ash are added to water to remove
P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as
P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as
Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent.
Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent.
Portland cement consists mainly of
Portland cement consists mainly of
Iron ore hametite is concentrated using
Iron ore hametite is concentrated using
Thermosetting plastic materials
Thermosetting plastic materials
Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at
Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at
Which of the following is an unsaturated fatty acid?
Which of the following is an unsaturated fatty acid?
Fusel oil is a/an
Fusel oil is a/an
Phthalic anhydride is made by the
Phthalic anhydride is made by the
SO₂ is bubbled through hot sugar cane juice to
SO₂ is bubbled through hot sugar cane juice to
Viscosity index improver (like polystrene or polyisobutylene) is added to lubricant to
Viscosity index improver (like polystrene or polyisobutylene) is added to lubricant to
Pencillin, an antibiotic drug was discovered by
Pencillin, an antibiotic drug was discovered by
Which oil is preferred for paint manufacture?
Which oil is preferred for paint manufacture?
Chemical formula of BHC, which is an insecticide is
Chemical formula of BHC, which is an insecticide is
The function of gypsum addition during cement making is to
The function of gypsum addition during cement making is to
An oil is converted into fat by its
An oil is converted into fat by its
Pick out the correct statement.
Pick out the correct statement.
At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the concentration of reactants.
At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the concentration of reactants.
Chemical formula of 'salt cake' is
Chemical formula of 'salt cake' is
Which of the following is an endothermic reaction?
Which of the following is an endothermic reaction?
In the Lurgi coal gasifier
In the Lurgi coal gasifier
Main constituent of limestone is
Main constituent of limestone is
Fumigant insecticides
Fumigant insecticides
Haemoglobin is a/an
Haemoglobin is a/an
Which is the most efficient absorbant for SO₃ out of the following?
Which is the most efficient absorbant for SO₃ out of the following?
Coagulant is used __________ filtration.
Coagulant is used __________ filtration.
