Aryl benzene sulphonate (ABS) is a

Question

Aryl benzene sulphonate (ABS) is a

A. Detergent

B. Plasticiser for unsaturated polyester

C. Starting material for the synthesis of glycerine

D. Coating ingredient for photographic film

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Isopropyl benzene produced by alkylation of benzene with propylene is known as

A. Neoprene

B. Cumene

C. Gelatin

D. Mercaptans

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Sea weeds are an important source of

A. Fluorine

B. Chlorine

C. Bromine

D. Iodine

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The drug used in contraceptives is

A. Sulfadiazine

B. Mestranol

C. Methyl salicylate

D. Penicillin

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Grignard reagent is chemically known as

A. Ethyl magnesium chloride

B. Methyl magnesium chloride

C. Dichlorophenol

D. Monochloroacetic acid

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Sulphuric acid completely saturated with sulphur trioxide is called

A. Concentrated sulphuric acid

B. Oleum

C. Sulphurous acid

D. Dilute sulphuric acid

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Molecular weight of plastics ranges from

A. 5000 to 10000

B. 20000 to 250000

C. 500 to 5000

D. 106 to 109

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Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.

A. SO₃

B. Cl₂

C. NH₃

D. SO₂

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High purity nitrogen is used in

A. Making protective gas (95% N2 + 5% H2) for annealing of cold rolled steel strip coils

B. Fire fighting purposes

C. Both (A) & (B)

D. Neither (A) nor (B)

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Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on commercial scale.

A. Nickel

B. Vanadium

C. Alumina

D. Iron

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The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by

A. Electrolysis

B. Electrolytic reduction

C. Electrolytic oxidation

D. None of these

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Main constituent of dolomite is

A. CaCO₃

B. MgCO₃

C. K₂CO₃

D. Na₂CO₃

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Concentration of NaOH solution produced by mercury electrolytic cell is about __________ percent.

A. 10

B. 25

C. 50

D. 98

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In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed:

A. Furnace → converter → absorber

B. Furnace → evaporator → absorber

C. Furnace → converter → evaporator

D. Converter → furnace → absorber

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Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass.

A. Chromium

B. Arsenic

C. Copper

D. Manganese

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Coal tar is used as a

A. Binding material for coal briquettes

B. Fuel in rotary kiln

C. Binder in making carbon electrodes

D. All (A), (B) and (C)

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In sulphate pulp manufacture, the pressure and temperature in the digestor is

A. 10 atm., 800 °C

B. 10 atm., 170-180°C

C. 1 atm., 170 - 180°C

D. 1 atm., 800°C

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Yellow phosphorus is transported under

A. Air

B. Water

C. Nitrogen

D. Helium

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Penicillin is separated from fermented broth by

A. Extraction with amyl or butyl acetate

B. Ternary Azeotropic distillation

C. Evaporator in calandria

D. Extractive distillation

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90% of the caprolactam is converted to nylon-6 on its condensation polymerisation in the reactor maintained at __________ °C.

A. < 0

B. 10-30

C. 250-280

D. 500-600

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Coke oven gas consists mainly of

A. H₂, & CH₄

B. CO, & CO₂

C. H₂, & CO

D. CH₄, & CO

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Permanent hardness of water is due to the presence of calcium & magnesium

A. Bi-carbonates

B. Sulphates & chlorides

C. Carbonate

D. None of these

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Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C.

A. 15-30

B. 90-100

C. 250-300

D. < 0

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H2S is scrubbed from refinery gases by absorption using

A. Dilute H₂SO₄

B. Ethanol amine

C. Chilled water

D. Tri-butyl phosphate

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The temperature in the calcium carbide furnace is __________ °C.

A. 200-300

B. 700-850

C. 2000-2200

D. 4000-4500

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__________ is used as a flux in the smelting of copper ore like chalcopyrite.

A. Coke breeze

B. Lime powder

C. Silica/quartz

D. Dolomite

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Magnesium and calcium __________ cause temporary hardness of water.

A. Carbonates

B. Bicarbonates

C. Phosphates

D. Sulphates

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Zeigler process

A. Produces high density polyethylene

B. Produces low density polyethylene

C. Uses no catalyst

D. Employs very high pressure

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Main constituents of cotton fiber is

A. Lignin

B. Cellulose

C. Starch

D. Gelatine

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Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C.

A. -5 to 0

B. 5 to 10

C. 30 to 50

D. 75 to 80

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Wet chlorine gas produced during electrolysis of brine is dehydrated by

A. Spraying 66° Be H2SO4 counter current to the flow of the gas

B. Passing it through a bed of diatomaceous earth

C. Passing it through a bed of silica gel

D. None of these

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Accepted Answer

A. Detergent

Aryl benzene sulphonate (ABS) is a

Correct Answer :

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Related Questions

Isopropyl benzene produced by alkylation of benzene with propylene is known as

Sea weeds are an important source of

The drug used in contraceptives is

Grignard reagent is chemically known as

Sulphuric acid completely saturated with sulphur trioxide is called

Molecular weight of plastics ranges from

Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.

High purity nitrogen is used in

Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on commercial scale.

The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by

Main constituent of dolomite is

Concentration of NaOH solution produced by mercury electrolytic cell is about __________ percent.

In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed:

Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass.

Coal tar is used as a

In sulphate pulp manufacture, the pressure and temperature in the digestor is

Yellow phosphorus is transported under

Penicillin is separated from fermented broth by

90% of the caprolactam is converted to nylon-6 on its condensation polymerisation in the reactor maintained at __________ °C.

Coke oven gas consists mainly of

Permanent hardness of water is due to the presence of calcium & magnesium

Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C.

H2S is scrubbed from refinery gases by absorption using

The temperature in the calcium carbide furnace is __________ °C.

__________ is used as a flux in the smelting of copper ore like chalcopyrite.

Magnesium and calcium __________ cause temporary hardness of water.

Zeigler process

Main constituents of cotton fiber is

Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C.

Wet chlorine gas produced during electrolysis of brine is dehydrated by

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