Graphite is a/an

Question

Graphite is a/an

A. Electrical insulator

B. Allotrope of carbon

C. Moderator used in nuclear reactor

D. Both (B) and (C)

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Major component of flint glass is

A. Lead oxide

B. Silica

C. Alumina

D. Soda

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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

Discuss this answer

Lithophane is

A. Explosive

B. White lead

C. Filter aid

D. ZnS (white pigment)

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Pick out the wrong statement.

A. Cold rubber (SBR) is superior as compared to hot rubber (SBR)

B. Polymerisation temperature can modify the properties of SBR

C. Production of cold SBR employs lower pressure as compared to that of hot SBR

D. None of these

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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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Percentage of uranium in Carnotite ore found in Jadugoda (Jharkhand) is about

A. 0.1 to 0.5

B. 1 to 5

C. 5 to 10

D. 15 to 25

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During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as

A. It is very corrosive at elevated temperature

B. Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced)

C. It decomposes on further increasing the temperature

D. None of these

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Titanium dioxide is a/an __________ colour pigment.

A. White

B. Black

C. Yellow

D. Blue

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Acrylonitrile is mainly used in the __________ industry.

A. Polymer

B. Printing

C. Dyeing

D. Photographic

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Neoprene is the trade name of

A. Polyurethane

B. Phenol formaldehyde

C. Polychlorophrene

D. Styrene-butadiene rubber

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Phosphoric acid is prepared from

A. Cryolite

B. Chalcopyrite

C. Rock phosphate

D. None of these

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Very fine suspended and colloidal impurities are removed from water by a process called

A. Sedimentation

B. Coagulation

C. Disinfection

D. Softening

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Permanent hardness of water can be removed by

A. Addition of soda ash to it

B. Treating it with zeolites

C. Passing it through sodium hexametaphosphate

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

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Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C.

A. -5 to 0

B. 5 to 10

C. 30 to 50

D. 75 to 80

Discuss this answer

Trinitrotoluene (TNT), an explosive, is made by the nitration of

A. Nitrobenzene

B. Toluene

C. Nitrotoluene

D. Benzene

Discuss this answer

Which of the following sugars is the sweetest?

A. Glucose

B. Fructose

C. Sucrose

D. Lactose

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Sizing material is incorporated in paper to

A. Impart resistance to penetration by liquids

B. Increase its thickness

C. Increase its flexibility & opacity

D. Increase its brightness

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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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__________ is an ore concentrating metallurgical process involving a chemical change.

A. Electromagnetic separation

B. Froth floatation

C. Roasting

D. None of these

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Phenolic antiseptics are added in the __________ soap.

A. Shaving

B. Medicated

C. Metallic

D. Transparent

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Starting raw material for the manufacture of Maleic anhydride is

A. n-butene

B. Benzene

C. Either (A) or (B)

D. Neither (A) nor (B)

Discuss this answer

Pick out the wrong statement.

A. Pasteurisation of milk involves moderate heating followed by cooling

B. Bakeries and breweries make use of yeasts

C. Enzyme is a complex nitrogenous compound

D. Oils and fats are alkaloids

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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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

Parathion and Malathion are

A. Pesticides

B. Plasticisers for unsaturated polyesters

C. Pain-relieving drugs (analgesic)

D. Tranquilisers

Discuss this answer

Pure rectified spirit contains about __________ percent alcohol.

A. 45

B. 70

C. 95

D. 99.5

Discuss this answer

Grignard reagent is chemically known as

A. Ethyl magnesium chloride

B. Methyl magnesium chloride

C. Dichlorophenol

D. Monochloroacetic acid

Discuss this answer

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

A. Hematite

B. Magnetite

C. Siderite

D. Chalcopyrite

Discuss this answer

CaSO4 . ½H₂O is known as

A. Blue vitriol

B. Plaster of Paris

C. Gypsum

D. Zeolite

Discuss this answer

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)

Discuss this answer

Accepted Answer

D. Both (B) and (C)

Graphite is a/an

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Major component of flint glass is

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

Lithophane is

Pick out the wrong statement.

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

Percentage of uranium in Carnotite ore found in Jadugoda (Jharkhand) is about

During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as

Titanium dioxide is a/an __________ colour pigment.

Acrylonitrile is mainly used in the __________ industry.

Neoprene is the trade name of

Phosphoric acid is prepared from

Very fine suspended and colloidal impurities are removed from water by a process called

Permanent hardness of water can be removed by

Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C.

Trinitrotoluene (TNT), an explosive, is made by the nitration of

Which of the following sugars is the sweetest?

Sizing material is incorporated in paper to

The combustion reaction, C + O₂ = CO₂, is

__________ is an ore concentrating metallurgical process involving a chemical change.

Phenolic antiseptics are added in the __________ soap.

Starting raw material for the manufacture of Maleic anhydride is

Pick out the wrong statement.

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

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

Parathion and Malathion are

Pure rectified spirit contains about __________ percent alcohol.

Grignard reagent is chemically known as

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

CaSO4 . ½H₂O is known as

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

Also checkout

Graphite is a/an

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Major component of flint glass is

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

Lithophane is

Pick out the wrong statement.

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

Percentage of uranium in Carnotite ore found in Jadugoda (Jharkhand) is about

During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as

Titanium dioxide is a/an __________ colour pigment.

Acrylonitrile is mainly used in the __________ industry.

Neoprene is the trade name of

Phosphoric acid is prepared from

Very fine suspended and colloidal impurities are removed from water by a process called

Permanent hardness of water can be removed by

Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C.

Trinitrotoluene (TNT), an explosive, is made by the nitration of

Which of the following sugars is the sweetest?

Sizing material is incorporated in paper to

The combustion reaction, C + O2 = CO2, is

__________ is an ore concentrating metallurgical process involving a chemical change.

Phenolic antiseptics are added in the __________ soap.

Starting raw material for the manufacture of Maleic anhydride is

Pick out the wrong statement.

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

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

Parathion and Malathion are

Pure rectified spirit contains about __________ percent alcohol.

Grignard reagent is chemically known as

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

CaSO4 . ½H2O is known as

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

Also checkout

The combustion reaction, C + O₂ = CO₂, is

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

CaSO4 . ½H₂O is known as

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