The purpose of tanning in leather industry is to

Question

The purpose of tanning in leather industry is to

A. Stiffen the leather

B. Smoothen the leather

C. Make it flexible

D. Impart water resistance

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Comment

Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent.

A. 10

B. 50

C. 80

D. 95

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Varnish does not contain

A. Pigment

B. Thinner

C. Dryer

D. Anti-skimming agent

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Oil is a/an

A. Mixture of glycerides

B. Mixture of glycerides of fatty acids

C. Solid at normal temperature

D. Ester of alcohols other than glycerine

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Esterification reaction produces

A. Detergent

B. Vanaspati

C. Soap

D. Mercaptans

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Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell process for the production of caustic soda?

A. High cost of mercury

B. High specific gravity of mercury

C. Non-availability of high purity mercury

D. Pollution of water stream by mercury

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Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on

A. Slaked lime

B. Soda lime

C. Calcium perchlorate

D. None of these

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In primitive days, __________ was being manufactured by Leblanc Process.

A. Alum

B. Washing soda

C. Soda ash

D. Calcium carbide

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The combustion reaction, C + O₂ = CO₂, is

A. Exothermic

B. Endothermic

C. Autocatalytic

D. None of these

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Paper pulp produced by Kraft/sulphate process is

A. Bleached easily

B. Dull white in color

C. Strong fibrous

D. Dark colored

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An alkali metal salt of Palmitic acid is known as

A. Soap

B. Metallic soap

C. Detergent

D. Alkaloid

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Yellow glycerine is made into white, using

A. Activated carbon

B. Diatomaceous earth

C. Bauxite

D. Bentonite

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Cellulose percentage in bamboo fibre is about

A. 10

B. 20

C. 50

D. 85

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Phenol is mainly used

A. To produce benzene

B. To produce phenol formaldehyde

C. To produce polyester resin

D. As a plasticiser for unsaturated polyester

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The most commonly used substance to speed up the sedimentation of sewage is

A. Lime

B. Sulphuric acid

C. Chlorine

D. Sodium bisulphite

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Major component of flint glass is

A. Lead oxide

B. Silica

C. Alumina

D. Soda

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Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at

A. 1 atm & 100°C

B. 5 atm & 275°C

C. 100 atm & 500°C

D. 50 atm & 1000°C

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Pick out the wrong statement.

A. Hard glass which is used for making laboratory glass wares is a mixture of sodium borosilicate and aluminium borosilicate

B. Glass is decolorized during its manufacture by adding antimony oxide, manganese dioxide or arsenic oxide

C. Ordinary glass is represented chemically by Na₂O . CaO . 6SiO₂

D. Red color is imparted to glass by addition of arsenic oxide

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Conversion of SO2 to SO3 in Monsanto 4-pass converter is about __________ percent.

A. 80

B. 90

C. 98

D. 100

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Pick out the wrong statement.

A. High early strength cement are made from materials having high silica to lime ratio

B. The function of gypsum in cement is to enhance its initial setting rate

C. Acid resistant cements are known as silicate cement

D. Major component of greyish Portland cement is tricalcium silicate

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Maleic anhydride is produced by catalytic oxidation of

A. Toluene

B. Ethyl alcohol

C. Naphthalene

D. Benzene

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The main use of HCl is in the

A. Drilling of petroleum wells and pickling of steel sheets

B. Manufacture of cationic detergent

C. Treatment of spent fuel of nuclear reactor

D. None of these

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Concentration of sulphide ores is done usually by

A. Roasting

B. Smelting

C. Froth floatation

D. Electromagnetic separation

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Nickel is not used as a catalyst in the __________ reaction.

A. Shift conversion

B. Oil hydrogenation

C. Steaming reforming of naphtha

D. Ammonia cracking/dissociation

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A mineral is termed as 'ore', if

A. A metal can be economically extracted from it

B. It contains ≥ 40% metal

C. The metal present in it is costly

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

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Percentage of alcohol in beer may be around __________ percent.

A. 2-8

B. 18-23

C. 27-32

D. 1-4

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Polymethyl methacrylate (PMMA) is known as

A. Bakelite

B. Teflon

C. Perspex

D. Nylon-6

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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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Nylon-6 is manufactured from

A. Caprolactam

B. Hexamethylene diamine and adipic acid

C. Hexamethylene diamine and Maleic anhydride

D. Hexamethylene diamine and Sebacic acid

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__________ is a thermosetting plastic.

A. Polythene

B. Epoxy polymer

C. P.V.C.

D. Polystyrene

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Which is the most suitable dye for synthetic fibres?

A. Acid dye

B. Azoic dye

C. Pigment dye

D. Mordant dye

Discuss this answer

Accepted Answer

A. Stiffen the leather

The purpose of tanning in leather industry is to

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent.

Varnish does not contain

Oil is a/an

Esterification reaction produces

Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell process for the production of caustic soda?

Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on

In primitive days, __________ was being manufactured by Leblanc Process.

The combustion reaction, C + O₂ = CO₂, is

Paper pulp produced by Kraft/sulphate process is

An alkali metal salt of Palmitic acid is known as

Yellow glycerine is made into white, using

Cellulose percentage in bamboo fibre is about

Phenol is mainly used

The most commonly used substance to speed up the sedimentation of sewage is

Major component of flint glass is

Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at

Pick out the wrong statement.

Conversion of SO2 to SO3 in Monsanto 4-pass converter is about __________ percent.

Pick out the wrong statement.

Maleic anhydride is produced by catalytic oxidation of

The main use of HCl is in the

Concentration of sulphide ores is done usually by

Nickel is not used as a catalyst in the __________ reaction.

A mineral is termed as 'ore', if

Percentage of alcohol in beer may be around __________ percent.

Polymethyl methacrylate (PMMA) is known as

High purity nitrogen is used in

Nylon-6 is manufactured from

__________ is a thermosetting plastic.

Which is the most suitable dye for synthetic fibres?

Also checkout

The purpose of tanning in leather industry is to

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent.

Varnish does not contain

Oil is a/an

Esterification reaction produces

Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell process for the production of caustic soda?

Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on

In primitive days, __________ was being manufactured by Leblanc Process.

The combustion reaction, C + O2 = CO2, is

Paper pulp produced by Kraft/sulphate process is

An alkali metal salt of Palmitic acid is known as

Yellow glycerine is made into white, using

Cellulose percentage in bamboo fibre is about

Phenol is mainly used

The most commonly used substance to speed up the sedimentation of sewage is

Major component of flint glass is

Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at

Pick out the wrong statement.

Conversion of SO2 to SO3 in Monsanto 4-pass converter is about __________ percent.

Pick out the wrong statement.

Maleic anhydride is produced by catalytic oxidation of

The main use of HCl is in the

Concentration of sulphide ores is done usually by

Nickel is not used as a catalyst in the __________ reaction.

A mineral is termed as 'ore', if

Percentage of alcohol in beer may be around __________ percent.

Polymethyl methacrylate (PMMA) is known as

High purity nitrogen is used in

Nylon-6 is manufactured from

__________ is a thermosetting plastic.

Which is the most suitable dye for synthetic fibres?

Also checkout

The combustion reaction, C + O₂ = CO₂, is