Presence of H₂S in raw water (to be chlorinated) results in the

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Presence of H₂S in raw water (to be chlorinated) results in the

A. Reduced softening capacity of zeolite

B. Increased dosage of chlorine to provide a disinfecting residual in the water

C. Easy removal of its hardness

D. None of these

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Massecuite is a terminology used in the __________ industry.

A. Paint

B. Oil hydrogenation

C. Soap

D. Sugar

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Oleum produces fumes of

A. SO₂

B. H₂SO₄

C. SO₃

D. SO₂ + H₂SO₄

Discuss this answer

__________ acid is the main constituent of cotton seed oil.

A. Acetic

B. Linoleic

C. Palmitic

D. Oleic

Discuss this answer

Diaphragm electrolytic cell as compared to mercury electrolytic cell

A. Produces 70% NaOH solution

B. Requires less specific power consumption for the production of chlorine

C. Requires lesser investment for similar capacity

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

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Iron ore hematite is concentrated using

A. Electromagnetic separation mainly

B. Gravity separation

C. Froth floatation

D. Roasting

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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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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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In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst

A. Gives higher conversion efficiency

B. Has a longer life and is not poisoned by arsenic

C. Handles lower SO2 content gas (7 -10% SO₂), thus increasing the capital cost of the plant

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

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Which of the following is an unsaturated fatty acid?

A. Lauric acid

B. Palmitic acid

C. Stearic acid

D. Oleic acid

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Reaction of calcium carbide with water produces a gas, which is used

A. As an illuminant

B. For metal cutting/welding

C. Both (A) & (B)

D. Neither (A) nor (B)

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Chemical formula of 'salt cake' is

A. Na₂SO₄

B. CaSO₄

C. MgSO₄

D. BaSO₄

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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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Bleaching action of bleaching powder is due to its __________ properties.

A. Reducing

B. Oxidising

C. Disinfecting

D. None of these

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Cooking liquor in case of sulphite process is

A. Sodium sulphite and sodium bisulphite

B. Magnesium sulphite and free SO2 in acid medium

C. Magnesium sulphate and magnesium bicarbonate

D. None of these

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Which of the following is an ore of iron?

A. Galena

B. Chalcopyrite

C. Hematite

D. Bauxite

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All enzymes are made of

A. Fats

B. Carbohydrates

C. Proteins

D. Amino acids

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Basic oxide is absent in __________ glass.

A. Flint

B. Pyrex

C. Quartz

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

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Which of the following is not required in the manufacture of soda ash by Solvay process?

A. Ammonia

B. Limestone

C. Nitric acid

D. None of these

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99.5% purity oxygen is used in

A. Cutting and welding by oxy-acetylene flame

B. Hospitals for medicinal purposes

C. Gas masks and artificial breathing apparatus

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

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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

Discuss this answer

Styrene butadiene rubber (SBR) is

A. A natural rubber

B. A synthetic polymer

C. A synthetic monomer

D. Another name of silicone rubber

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Main constituents of cotton fiber is

A. Lignin

B. Cellulose

C. Starch

D. Gelatine

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Alum [Al₂(SO₄)₃] is used as a coagulant in water treatment to remove

A. Colour

B. Turbidity

C. Bacteria

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

Discuss this answer

CaCl(OCl) is the chemical formula of

A. Hypo

B. Bleaching powder

C. Plaster of Paris

D. Aqua regia

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Conversion of CO to CO2 by steam in presence of a catalyst is called

A. Steam reforming

B. Shift conversion

C. Steam gasification

D. None of these

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The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.

A. 800

B. 1600

C. 4000

D. 8500

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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

Discuss this answer

Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because

A. Its calorific value is very less

B. Tar neutralises the residual acids present in pitch

C. It reduces viscosity and imparts fluidity for its transportation through pipelines at economic pressure drop

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

Discuss this answer

Sucrose is a disaccharide consisting of

A. Glucose and glucose

B. Glucose and fructose

C. Glucose and galactose

D. Fructose and galactose

Discuss this answer

Oil produced by solvent extraction

A. Has low free fatty acid content

B. Is odourless

C. Both (A) & (B)

D. Neither (A) nor (B)

Discuss this answer

Accepted Answer

B. Increased dosage of chlorine to provide a disinfecting residual in the water

Presence of H₂S in raw water (to be chlorinated) results in the

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Massecuite is a terminology used in the __________ industry.

Oleum produces fumes of

__________ acid is the main constituent of cotton seed oil.

Diaphragm electrolytic cell as compared to mercury electrolytic cell

Iron ore hematite is concentrated using

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

Nylon-6 is manufactured from

In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst

Which of the following is an unsaturated fatty acid?

Reaction of calcium carbide with water produces a gas, which is used

Chemical formula of 'salt cake' is

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

Bleaching action of bleaching powder is due to its __________ properties.

Cooking liquor in case of sulphite process is

Which of the following is an ore of iron?

All enzymes are made of

Basic oxide is absent in __________ glass.

Which of the following is not required in the manufacture of soda ash by Solvay process?

99.5% purity oxygen is used in

Phenol is mainly used

Styrene butadiene rubber (SBR) is

Main constituents of cotton fiber is

Alum [Al₂(SO₄)₃] is used as a coagulant in water treatment to remove

CaCl(OCl) is the chemical formula of

Conversion of CO to CO2 by steam in presence of a catalyst is called

The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.

Paper pulp produced by Kraft/sulphate process is

Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because

Sucrose is a disaccharide consisting of

Oil produced by solvent extraction

Also checkout

Presence of H2S in raw water (to be chlorinated) results in the

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Massecuite is a terminology used in the __________ industry.

Oleum produces fumes of

__________ acid is the main constituent of cotton seed oil.

Diaphragm electrolytic cell as compared to mercury electrolytic cell

Iron ore hematite is concentrated using

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

Nylon-6 is manufactured from

In the manufacture of H2SO4, vanadium catalyst as compared to platinum catalyst

Which of the following is an unsaturated fatty acid?

Reaction of calcium carbide with water produces a gas, which is used

Chemical formula of 'salt cake' is

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

Bleaching action of bleaching powder is due to its __________ properties.

Cooking liquor in case of sulphite process is

Which of the following is an ore of iron?

All enzymes are made of

Basic oxide is absent in __________ glass.

Which of the following is not required in the manufacture of soda ash by Solvay process?

99.5% purity oxygen is used in

Phenol is mainly used

Styrene butadiene rubber (SBR) is

Main constituents of cotton fiber is

Alum [Al2(SO4)3] is used as a coagulant in water treatment to remove

CaCl(OCl) is the chemical formula of

Conversion of CO to CO2 by steam in presence of a catalyst is called

The compressive strength of cement should not be less than about 110Kg/cm2 after three days & not less than 170Kg/cm2 after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm2/gm.

Paper pulp produced by Kraft/sulphate process is

Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because

Sucrose is a disaccharide consisting of

Oil produced by solvent extraction

Also checkout

Presence of H₂S in raw water (to be chlorinated) results in the

In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst

Alum [Al₂(SO₄)₃] is used as a coagulant in water treatment to remove

The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.