Dry ice (solidified CO₂) is used for the

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Dry ice (solidified CO₂) is used for the

A. Storage & shipment of frozen foods and ice-creams

B. Liquefaction of permanent gases

C. Liquefaction of natural gas

D. None of these

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Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the

A. Fertiliser manufacture

B. Car battery solution

C. Synthesis of oleum

D. Water treatment

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Good quality of edible salt is obtained from brine by the process of

A. Solar evaporation

B. Vacuum evaporation

C. Freeze drying

D. Electrolysis

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Na2CO3 is called

A. Washing soda

B. Soda ash

C. Plaster of Paris

D. Calcite

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Vegetable oils and fats basically differ in their

A. Density ranges

B. Physical state

C. Chemical composition

D. Chemical properties

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Sucrose content in cane sugar may be around __________ percent.

A. 50

B. 70

C. 95

D. 80

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Permanent hardness of water can be removed by

A. Simply boiling

B. Adding alum

C. Passing it through cation & anion exchangers

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

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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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Carbon tetrachloride (CCl₄) is the starting raw material for the manufacture of

A. Trichloroethylene

B. Perchloroethylene

C. Parathion

D. Methanol

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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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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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Pick out the wrong statement.

A. Dry process is used for the manufacture of cement, when the raw material is blast furnace slag

B. Portland cement is made employing wet process

C. Gypsum is added to Portland cement to lengthen its setting time

D. None of these

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Carboxymethyl cellulose (CMC) is added in detergents to act as a/an

A. Surfactant

B. Builder

C. Optical brightening agent

D. Anti soil redeposition agent

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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

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The major use of butadiene is

A. As a plasticiser for unsaturated polyester

B. In the manufacture of synthetic rubber

C. As an anti-skinning agent in paint

D. None of these

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Lindane is

A. Not a fumigant

B. BHC (Benzene Hexachloride) containing 99% γ-isomer

C. A by-product of BHC manufacture

D. Both (B) and (C)

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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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Soap cannot be used with hard water, because

A. Hard water contains sulphate

B. They form insoluble calcium soaps which precipitate

C. They attract back the removed dirt

D. None of these

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Phthalic anhydride is made by the

A. Oxidation of naphthalene

B. Oxidation of benzene

C. Dehydrogenation of ethyl benzene

D. None of these

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The purpose of adding Na₂CO₃ to water of low alkalinity is to

A. Permit the use of alum as a coagulant

B. Increase the softening capacity of zeolite

C. Facilitate easy regeneration of zeolite

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

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Aryl benzene sulphonate (ABS) is a

A. Detergent

B. Plasticiser for unsaturated polyester

C. Starting material for the synthesis of glycerine

D. Coating ingredient for photographic film

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The manufacture of Kraft pulp is done by a/an __________ process.

A. Alkaline

B. Acidic

C. Neutral

D. None of these

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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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Ceramics are produced from silicates or clayish materials: Which of the following is not a ceramic material?

A. Slag cement

B. Glasses

C. Porcelain/Potteries

D. Teflon

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Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo?

A. Depithing

B. Digestion

C. Bleaching

D. None of these

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The type of high refractive index glass used in optical instruments is __________ glass.

A. Pyrex

B. Flint

C. Crookes

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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Commercial production of calcium carbide requires limestone and __________ as raw materials.

A. Coke

B. Sand

C. Soda ash

D. Fuel oil

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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)

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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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Hydrogenation of oil takes place in a/an __________ reactor.

A. Autothermal

B. Trickle bed

C. Plug flow

D. None of these

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Accepted Answer

A. Storage & shipment of frozen foods and ice-creams

Dry ice (solidified CO₂) is used for the

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the

Good quality of edible salt is obtained from brine by the process of

Na2CO3 is called

Vegetable oils and fats basically differ in their

Sucrose content in cane sugar may be around __________ percent.

Permanent hardness of water can be removed by

Use of chlorine in the treatment of sewage

Carbon tetrachloride (CCl₄) is the starting raw material for the manufacture of

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

A mineral is termed as 'ore', if

Pick out the wrong statement.

Carboxymethyl cellulose (CMC) is added in detergents to act as a/an

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

The major use of butadiene is

Lindane is

Thorium is mainly used

Soap cannot be used with hard water, because

Phthalic anhydride is made by the

The purpose of adding Na₂CO₃ to water of low alkalinity is to

Aryl benzene sulphonate (ABS) is a

The manufacture of Kraft pulp is done by a/an __________ process.

Maleic anhydride is produced by catalytic oxidation of

Ceramics are produced from silicates or clayish materials: Which of the following is not a ceramic material?

Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo?

The type of high refractive index glass used in optical instruments is __________ glass.

99.5% purity oxygen is used in

Commercial production of calcium carbide requires limestone and __________ as raw materials.

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

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

Hydrogenation of oil takes place in a/an __________ reactor.

Also checkout

Dry ice (solidified CO2) is used for the

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the

Good quality of edible salt is obtained from brine by the process of

Na2CO3 is called

Vegetable oils and fats basically differ in their

Sucrose content in cane sugar may be around __________ percent.

Permanent hardness of water can be removed by

Use of chlorine in the treatment of sewage

Carbon tetrachloride (CCl4) is the starting raw material for the manufacture of

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

A mineral is termed as 'ore', if

Pick out the wrong statement.

Carboxymethyl cellulose (CMC) is added in detergents to act as a/an

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

The major use of butadiene is

Lindane is

Thorium is mainly used

Soap cannot be used with hard water, because

Phthalic anhydride is made by the

The purpose of adding Na2CO3 to water of low alkalinity is to

Aryl benzene sulphonate (ABS) is a

The manufacture of Kraft pulp is done by a/an __________ process.

Maleic anhydride is produced by catalytic oxidation of

Ceramics are produced from silicates or clayish materials: Which of the following is not a ceramic material?

Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo?

The type of high refractive index glass used in optical instruments is __________ glass.

99.5% purity oxygen is used in

Commercial production of calcium carbide requires limestone and __________ as raw materials.

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

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

Hydrogenation of oil takes place in a/an __________ reactor.

Also checkout

Dry ice (solidified CO₂) is used for the

Carbon tetrachloride (CCl₄) is the starting raw material for the manufacture of

The purpose of adding Na₂CO₃ to water of low alkalinity is to

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