'Hollander beater' machine used in the paper manufacturing plant does not accomplish the task of

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'Hollander beater' machine used in the paper manufacturing plant does not accomplish the task of

A. Final rolling out of paper

B. Cutting of fibres

C. Hydration of fibres

D. Fibrillation of fibre

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What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell?

A. Cl₂ & Na

B. Cl₂ & H₂

C. O₂ & H₂

D. Cl₂, H₂ & NaOH solution

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Thorium is mainly used

A. For the manufacture of gas mantles

B. As a fissile fuel in a nuclear reactor

C. In the manufacture of hydrogen bomb

D. In the treatment of cancer

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Bio-degradable detergents

A. Can be readily oxidised

B. Pose problem in sewerage plant

C. Have an isoparaffinic structure

D. Should not be used as it spoils the cloth

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Pig iron is produced by blast furnaces in India using mostly the iron ore named

A. Hematite

B. Magnetite

C. Siderite

D. Chalcopyrite

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For the hydrogenation of oils, (i) is commonly used as catalyst and (ii) is a catalyst poison.

A. (i) platinum (ii) sulphur

B. (i) palladium (ii) oxygen

C. (i) nickel (ii) sulphur

D. (i) nickel (ii) oxygen

Discuss this answer

The only commercial Fischer-Tropsch plant for producing liquid hydrocarbon fuel from coal is located at

A. SASOL (in South Africa)

B. Redcar (U.K.)

C. Los Angeles (U.S.A.)

D. Trombay (India)

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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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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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__________ paper is used in the manufacture of newsprint paper.

A. Ground-wood

B. Board

C. Tissue

D. Wrapping

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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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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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Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process?

A. NH3

B. NaCl

C. CaO

D. Coke

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Portland cement consists mainly of

A. CaO & SiO₂

B. SiO₂ & Al₂O₃

C. CaO & Al₂O₃

D. CaO & Fe₂O₃

Discuss this answer

Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C.

A. 25

B. 60-70

C. 150-200

D. 250-300

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A bio-catalyst produced by living cells which acts independent of the cell is called a/an

A. Substrate

B. Enzyme

C. Nutrient

D. None of these

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Wood charcoal is used for decolouration of sugar, because it __________ the coloured materials.

A. Adsorbs

B. Oxidises

C. Reduces

D. Converts

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More than 100 percent of __________ is present in oleum.

A. SO₃

B. H₂SO₄

C. H₂SO₃

D. SO₂

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Tall oil obtained as a by-product from the black liquor recovery is

A. A black, sticky & viscous liquid

B. Used in the manufacture of greases, emulsions & soaps

C. Composed mainly of rosin & fatty acids

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

Discuss this answer

Pick out the wrong statement.

A. Eosin requirement in tallow soap is about 40-50% which fastens the lather formation, softens the hard soaps and increases its cleansing action

B. Soap powder is prepared by mixing soap with hydrated sodium carbonate

C. Detergents differ from soaps in their action in hard water

D. Tarnish inhibitor (e.g., Benzotriazole) is added in soap to facilitate the removal of stains due to tea, blood etc

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The function of gypsum addition during cement making is to

A. Increase the density of cement

B. Decrease the cement setting rate

C. Both (A) and (B)

D. Neither (A) nor (B)

Discuss this answer

Which oil is preferred for paint manufacture?

A. Drying oil

B. Non-drying oil

C. Semi-drying oil

D. Saturated oil

Discuss this answer

Haemoglobin is a/an

A. Amino acid

B. Biological catalyst

C. Protein

D. Enzyme

Discuss this answer

Low purity oxygen is used for

A. L.D. steel making

B. Cutting and welding of metals

C. Medicinal purposes

D. Chemical oxidation processes

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Manufacture of phthalic anhydride uses __________ as a catalyst.

A. Ni

B. Cr

C. V₂O₅

D. Al₂O₃

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Thermosetting materials

A. Are cross-linked molecules

B. Soften on application of heat

C. Are solvent soluble

D. None of these

Discuss this answer

__________ process is used for producing soda ash.

A. Chamber

B. Chance

C. Tromp

D. Solvay

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Na₂CO₃.10H₂O is called

A. Washing soda

B. Soda ash

C. Slaked lime

D. Quicklime

Discuss this answer

Liquefaction of gases cannot be done by

A. Exchange of heat with colder stream

B. Adiabatic expansion through a throttle valve (Joule-Thomson expansion)

C. Merely compressing it beyond critical pressure

D. Adiabatic expansion against a piston or in a turbine

Discuss this answer

Systemic insecticides

A. Are absorbed throughout the plant

B. Kill insects following external bodily contact

C. Are stomach poisons

D. Emit poisonous vapour

Discuss this answer

Trinitro-toluene (TNT) is

A. Used in glycerine manufacture

B. An explosive

C. Used in dye manufacture

D. None of these

Discuss this answer

Accepted Answer

A. Final rolling out of paper

'Hollander beater' machine used in the paper manufacturing plant does not accomplish the task of

Correct Answer :

Show all Chemical Process MCQ

Related Questions

What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell?

Thorium is mainly used

Bio-degradable detergents

Pig iron is produced by blast furnaces in India using mostly the iron ore named

For the hydrogenation of oils, (i) is commonly used as catalyst and (ii) is a catalyst poison.

The only commercial Fischer-Tropsch plant for producing liquid hydrocarbon fuel from coal is located at

H2S is scrubbed from refinery gases by absorption using

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

__________ paper is used in the manufacture of newsprint paper.

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

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

Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process?

Portland cement consists mainly of

Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C.

A bio-catalyst produced by living cells which acts independent of the cell is called a/an

Wood charcoal is used for decolouration of sugar, because it __________ the coloured materials.

More than 100 percent of __________ is present in oleum.

Tall oil obtained as a by-product from the black liquor recovery is

Pick out the wrong statement.

The function of gypsum addition during cement making is to

Which oil is preferred for paint manufacture?

Haemoglobin is a/an

Low purity oxygen is used for

Manufacture of phthalic anhydride uses __________ as a catalyst.

Thermosetting materials

__________ process is used for producing soda ash.

Na₂CO₃.10H₂O is called

Liquefaction of gases cannot be done by

Systemic insecticides

Trinitro-toluene (TNT) is

Also checkout

'Hollander beater' machine used in the paper manufacturing plant does not accomplish the task of

Correct Answer :

Show all Chemical Process MCQ

Related Questions

What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell?

Thorium is mainly used

Bio-degradable detergents

Pig iron is produced by blast furnaces in India using mostly the iron ore named

For the hydrogenation of oils, __________ (i) __________ is commonly used as catalyst and __________ (ii) __________ is a catalyst poison.

The only commercial Fischer-Tropsch plant for producing liquid hydrocarbon fuel from coal is located at

H2S is scrubbed from refinery gases by absorption using

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

__________ paper is used in the manufacture of newsprint paper.

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

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

Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process?

Portland cement consists mainly of

Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C.

A bio-catalyst produced by living cells which acts independent of the cell is called a/an

Wood charcoal is used for decolouration of sugar, because it __________ the coloured materials.

More than 100 percent of __________ is present in oleum.

Tall oil obtained as a by-product from the black liquor recovery is

Pick out the wrong statement.

The function of gypsum addition during cement making is to

Which oil is preferred for paint manufacture?

Haemoglobin is a/an

Low purity oxygen is used for

Manufacture of phthalic anhydride uses __________ as a catalyst.

Thermosetting materials

__________ process is used for producing soda ash.

Na2CO3.10H2O is called

Liquefaction of gases cannot be done by

Systemic insecticides

Trinitro-toluene (TNT) is

Also checkout

For the hydrogenation of oils, (i) is commonly used as catalyst and (ii) is a catalyst poison.

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

Na₂CO₃.10H₂O is called