Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.

Question

Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.

A. Cutting

B. Fibrillation

C. Hydration

D. Strengthening

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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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__________ are used as corrosion inhibitor for iron & steel in aqueous solutions.

A. Phosphates

B. Chromates

C. Sulphates

D. Bi-carbonates

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Prussian blue is chemically represented by

A. FeO.TiO₂

B. Ca SO₄ . 2H₂O

C. Fe₄ [Fe (CN₆)₃]

D. AlF₃ . 3N_aF

Discuss this answer

Main constituents of Portland cement are calcium aluminate and

A. Gypsum

B. Silicates

C. Sodium silicate

D. Carbonates

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Salt cake is chemically represented by

A. Na₂SO₄

B. CaSO₄. ½H₂O

C. MgSO₄

D. BaSO₄

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__________ are added in lacquers to remove film brittleness and to improve adhereness.

A. Film forming materials

B. Plasticisers

C. Diluents

D. Solvents

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CaSO4 . ½H₂O is known as

A. Blue vitriol

B. Plaster of Paris

C. Gypsum

D. Zeolite

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Molasses is the starting material for the production of

A. Alcohol

B. Essential oil

C. Fatty acids

D. Massecuite

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__________ acid is the main constituent of cotton seed oil.

A. Acetic

B. Linoleic

C. Palmitic

D. Oleic

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Enzymes are

A. Proteins with high molecular weight (around 10,000)

B. Derived from living organisms

C. Catalyst for temperature sensitive reactions

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

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The process involved in converting rubber into a thin sheet or coating it on fabric is called

A. Extrusion

B. Mastication

C. Calendaring

D. Vulcanisation

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In contact process, SO₃ is absorbed in 97% H₂SO₄ and not in water, because

A. SO₃ gas is sparingly soluble in water

B. Water forms an acid mist, which is difficult to absorb

C. The purity of acid is affected

D. Scale formation in the absorber is to be avoided

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Nitrogen is an essential component of

A. Mineral salts

B. Carbohydrates

C. Fats

D. Proteins

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All enzymes are made of

A. Fats

B. Carbohydrates

C. Proteins

D. Amino acids

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Use of chlorine in the treatment of sewage

A. Helps in grease separation

B. Increases the biological oxygen demand (BOD)

C. Causes bulking of activated sludge

D. Aids in flocculation

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Starting material for the commercial production of ethyl alcohol in India is

A. Rice

B. Molasses

C. Fruit of Mahua tree

D. Maize

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Which of the following is an organometallic compound?

A. Isopropyl alcohol

B. Tetra-ethyl lead

C. Zeolite

D. Cumene

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Process conditions in fermentator used for production of penicillin is

A. 25°C, 2 atm

B. 50°C, l0 atm

C. 30°C, 200 mm Hg (absolute)

D. 90°C, 45 atm

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Production of one ton of dry paper pulp requires about __________ tons of bamboo or wood.

A. 1

B. 2.5

C. 5

D. 10

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Transparent soaps (e.g. Pears) are

A. Usually soft soap (made from coconut oil) in which cane sugar & alcohol are added and finally washed with methylated spirit to achieve transparency

B. Metallic soaps with frothing agent and free Stearic acid to achieve transparency

C. Metallic soaps with frothing agent from which glycerine has not been recovered

D. None of these

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Which of the following is the purest form of water out of the following?

A. Underground water

B. Rain water

C. Well water

D. Lake water

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During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to

A. Increase the rate of absorption

B. Avoid corrosion

C. Reduce the cooling water circulation rate

D. None of these

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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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The process used for the manufacture of ethyl alcohol from molasses is

A. Distillation

B. Dehydration

C. Dehydrogenation

D. None of these

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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

Discuss this answer

Catalyst used in the oxidation of benzene to produce Maleic anhydride is

A. V₂O₅

B. Pt

C. Ni

D. Cr

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Glycerine is not used in the

A. Manufacture of explosive

B. Conditioning and humidification of tobacco

C. Manufacture of pharmaceuticals

D. None of these

Discuss this answer

Rancidity of the fatty oil can be reduced by its

A. Decoloration

B. Hydrogenation

C. Oxidation

D. Purification

Discuss this answer

Enzymes are organic catalysts used in the __________ reactions.

A. Chemical

B. Biochemical

C. Photochemical

D. Electrochemical

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Which of the following is used as a coagulant in water treatment?

A. Chloramine

B. Chlorine

C. Ferrous sulphate

D. Hydrogen peroxide

Discuss this answer

Accepted Answer

D. Strengthening

Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.

Correct Answer :

Show all Chemical Process MCQ

Related Questions

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

__________ are used as corrosion inhibitor for iron & steel in aqueous solutions.

Prussian blue is chemically represented by

Main constituents of Portland cement are calcium aluminate and

Salt cake is chemically represented by

__________ are added in lacquers to remove film brittleness and to improve adhereness.

CaSO4 . ½H₂O is known as

Molasses is the starting material for the production of

__________ acid is the main constituent of cotton seed oil.

Enzymes are

The process involved in converting rubber into a thin sheet or coating it on fabric is called

In contact process, SO₃ is absorbed in 97% H₂SO₄ and not in water, because

Nitrogen is an essential component of

All enzymes are made of

Use of chlorine in the treatment of sewage

Starting material for the commercial production of ethyl alcohol in India is

Which of the following is an organometallic compound?

Process conditions in fermentator used for production of penicillin is

Production of one ton of dry paper pulp requires about __________ tons of bamboo or wood.

Transparent soaps (e.g. Pears) are

Which of the following is the purest form of water out of the following?

During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to

Percentage of alcohol in beer may be around __________ percent.

The process used for the manufacture of ethyl alcohol from molasses is

Nylon-6 is manufactured from

Catalyst used in the oxidation of benzene to produce Maleic anhydride is

Glycerine is not used in the

Rancidity of the fatty oil can be reduced by its

Enzymes are organic catalysts used in the __________ reactions.

Which of the following is used as a coagulant in water treatment?

Also checkout

Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.

Correct Answer :

Show all Chemical Process MCQ

Related Questions

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

__________ are used as corrosion inhibitor for iron & steel in aqueous solutions.

Prussian blue is chemically represented by

Main constituents of Portland cement are calcium aluminate and

Salt cake is chemically represented by

__________ are added in lacquers to remove film brittleness and to improve adhereness.

CaSO4 . ½H2O is known as

Molasses is the starting material for the production of

__________ acid is the main constituent of cotton seed oil.

Enzymes are

The process involved in converting rubber into a thin sheet or coating it on fabric is called

In contact process, SO3 is absorbed in 97% H2SO4 and not in water, because

Nitrogen is an essential component of

All enzymes are made of

Use of chlorine in the treatment of sewage

Starting material for the commercial production of ethyl alcohol in India is

Which of the following is an organometallic compound?

Process conditions in fermentator used for production of penicillin is

Production of one ton of dry paper pulp requires about __________ tons of bamboo or wood.

Transparent soaps (e.g. Pears) are

Which of the following is the purest form of water out of the following?

During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to

Percentage of alcohol in beer may be around __________ percent.

The process used for the manufacture of ethyl alcohol from molasses is

Nylon-6 is manufactured from

Catalyst used in the oxidation of benzene to produce Maleic anhydride is

Glycerine is not used in the

Rancidity of the fatty oil can be reduced by its

Enzymes are organic catalysts used in the __________ reactions.

Which of the following is used as a coagulant in water treatment?

Also checkout

CaSO4 . ½H₂O is known as

In contact process, SO₃ is absorbed in 97% H₂SO₄ and not in water, because