Styrene-butadiene-rubber (SBR) as compared to natural rubber has

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Styrene-butadiene-rubber (SBR) as compared to natural rubber has

A. Poorer tensile strength

B. Poorer resistance to oxidation

C. Greater amount of heat build-up under heavy loading

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

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All enzymes are made of

A. Fats

B. Carbohydrates

C. Proteins

D. Amino acids

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Essential oils are usually obtained using

A. Steam distillation

B. Extractive distillation

C. Solvent extraction

D. Leaching

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The major constituents of glass are

A. Lime, clay and soda ash

B. Sand, lime and soda ash

C. Silica, alumina and clay

D. Silica, alumina and soda ash

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Gelatine which is a nitrogenous organic protein is obtained by the hydrolysis of

A. Collagen

B. Tannin

C. Molasses

D. Carbohydrate

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__________ is obtained as a by-product in the manufacture of sodium hydroxide using brine.

A. Chlorine

B. Ammonium chloride

C. Sodium carbonate

D. Sodium bi-carbonate

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How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln?

A. 500°C

B. 750°C

C. 1000°C

D. 1500°C

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Main constituents of cotton fiber is

A. Lignin

B. Cellulose

C. Starch

D. Gelatine

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Viscose rayon is chemically

A. Cellulose nitrate

B. Regenerated cellulose nitrate

C. Cellulose acetate

D. Regenerated cellulose acetate

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Main constituent of dolomite is

A. CaCO₃

B. MgCO₃

C. K₂CO₃

D. Na₂CO₃

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Esterification reaction

A. Produces soap

B. Is reversible

C. Is a reaction between an alcohol and an organic acid

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

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Chemical formula of oleum is

A. H₂SO₃

B. H₂SO₄

C. H₂S₂O₇

D. H₂SO₇

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Which of the following is an endothermic reaction?

A. Absorption of SO₃ in 98% H₂SO₄

B. C + H₂O = CO + H₂

C. Thermal dissociation of iron pyrites

D. Both (B) and (C)

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Calcareous & argillaceous materials are used in the manufacture of

A. Lead

B. Cement

C. Carbon disulphide

D. None of these

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Which of the following is not a pyrite ore?

A. Celestite

B. Galena

C. Gypsum

D. Siderite

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Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is

A. A slow reaction

B. A discontinuous reaction (requiring regeneration of iron by water gas intermittently)

C. Still in development stage (by employing fluidised bed technique)

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

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Chemical name of Grignard reagent is

A. Sodium thiosulphate

B. Ethyl magnesium chloride

C. Sodium sulphite

D. Sodium bicarbonate

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Which of the following is the second major component of cement?

A. Al₂O₃

B. CaO

C. SiO₂

D. Fe₂O₃

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Claude process of gas liquefaction employs

A. Merely compression of gas beyond its critical pressure

B. Joule-Thomson expansion cooling

C. Heat exchange with colder stream

D. Adiabatic expansion against a piston or in a turbine

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Addition of calcium oxide to water produces

A. Exothermic heat

B. Hissing sound

C. Slaked lime

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

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Production of alcohol by fermentation of molasses is a/an __________ process.

A. Anaerobic

B. Aerobic

C. Endothermic

D. Both (B) and (C)

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Alcohol is produced by the

A. Oxidation of an aldehyde

B. Hydrolysis of an ether

C. Esterification of a fat

D. None of these

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Solvent used for extraction of oil is

A. Hexane

B. Methyl ethyl ketone

C. Furfural

D. None of these

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Stereospecific agents are exemplified by

A. Radiation

B. Supported metal oxide catalysts

C. Ziegler catalysts

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

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P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as

A. Bakelite

B. Neoprene

C. Teflon

D. Nylon-66

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Nickel is not used as a catalyst in the

A. Fischer-Tropsch process

B. Shift conversion

C. Hydrogenation of oil

D. Ostwald's process of HNO3 manufacture

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Co-efficient of thermal expansion of glass is decreased by the addition of __________ during its manufacture.

A. CaO

B. MnO₂

C. ZnO

D. FeS

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Fusel oil is a/an

A. Essential oil

B. Extract from medicinal herbs

C. Mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses).

D. None of these

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Heating of __________ to 120°C, produces plaster of paris.

A. Blue vitriol

B. Gypsum

C. Calcium silicate

D. Calcium sulphate

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Removal of dirt/soil by soaps or detergent does not involve the __________ of soil.

A. Emulsification

B. Dispersion

C. Precipitation

D. Wetting

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Starting raw material for the manufacture of alum is

A. Alumina

B. Gypsum

C. Bauxite

D. Ammonium bicarbonate

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Accepted Answer

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

Styrene-butadiene-rubber (SBR) as compared to natural rubber has

Correct Answer :

Show all Chemical Process MCQ

Related Questions

All enzymes are made of

Essential oils are usually obtained using

The major constituents of glass are

Gelatine which is a nitrogenous organic protein is obtained by the hydrolysis of

__________ is obtained as a by-product in the manufacture of sodium hydroxide using brine.

How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln?

Main constituents of cotton fiber is

Viscose rayon is chemically

Main constituent of dolomite is

Esterification reaction

Chemical formula of oleum is

Which of the following is an endothermic reaction?

Calcareous & argillaceous materials are used in the manufacture of

Which of the following is not a pyrite ore?

Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is

Chemical name of Grignard reagent is

Which of the following is the second major component of cement?

Claude process of gas liquefaction employs

Addition of calcium oxide to water produces

Production of alcohol by fermentation of molasses is a/an __________ process.

Alcohol is produced by the

Solvent used for extraction of oil is

Stereospecific agents are exemplified by

P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as

Nickel is not used as a catalyst in the

Co-efficient of thermal expansion of glass is decreased by the addition of __________ during its manufacture.

Fusel oil is a/an

Heating of __________ to 120°C, produces plaster of paris.

Removal of dirt/soil by soaps or detergent does not involve the __________ of soil.

Starting raw material for the manufacture of alum is

Also checkout

Styrene-butadiene-rubber (SBR) as compared to natural rubber has

Correct Answer :

Show all Chemical Process MCQ

Related Questions

All enzymes are made of

Essential oils are usually obtained using

The major constituents of glass are

Gelatine which is a nitrogenous organic protein is obtained by the hydrolysis of

__________ is obtained as a by-product in the manufacture of sodium hydroxide using brine.

How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln?

Main constituents of cotton fiber is

Viscose rayon is chemically

Main constituent of dolomite is

Esterification reaction

Chemical formula of oleum is

Which of the following is an endothermic reaction?

Calcareous & argillaceous materials are used in the manufacture of

Which of the following is not a pyrite ore?

Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H2O = Fe3O4 + 4H2, is not practised, as it is

Chemical name of Grignard reagent is

Which of the following is the second major component of cement?

Claude process of gas liquefaction employs

Addition of calcium oxide to water produces

Production of alcohol by fermentation of molasses is a/an __________ process.

Alcohol is produced by the

Solvent used for extraction of oil is

Stereospecific agents are exemplified by

P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as

Nickel is not used as a catalyst in the

Co-efficient of thermal expansion of glass is decreased by the addition of __________ during its manufacture.

Fusel oil is a/an

Heating of __________ to 120°C, produces plaster of paris.

Removal of dirt/soil by soaps or detergent does not involve the __________ of soil.

Starting raw material for the manufacture of alum is

Also checkout

Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is