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

Question

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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Comment

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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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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Maleic anhydride is produced by catalytic oxidation of

A. Toluene

B. Ethyl alcohol

C. Naphthalene

D. Benzene

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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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Which of the following is an ore of iron?

A. Galena

B. Chalcopyrite

C. Hematite

D. Bauxite

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Ethanol amine is produced using ammonia and

A. Ethyl benzene

B. Ethylene oxide

C. Ethanol

D. Ethane

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Which of the following is not produced commercially from sea water?

A. Magnesium & potassium compounds

B. Common salt

C. Bromine

D. Iodine

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Which of the following is a constituent of coffee?

A. Caffeine

B. Nicotine

C. Calgon

D. Lignin

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Na₂CO₃.10H₂O is called

A. Washing soda

B. Soda ash

C. Slaked lime

D. Quicklime

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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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Main constituents of natural rubber is

A. Polystyrene

B. Polyisoprene

C. Polybutadiene

D. Polychlorophrene

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Pick out the wrong statement.

A. High early strength cement are made from materials having high silica to lime ratio

B. The function of gypsum in cement is to enhance its initial setting rate

C. Acid resistant cements are known as silicate cement

D. Major component of greyish Portland cement is tricalcium silicate

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Washing soda is chemically represented by

A. Na₂CO₃

B. Na₂CO₃.H₂O

C. Na₂CO₃.10H₂O

D. NaHCO₃

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__________ is produced by the dehydrogenation of ethyl benzene.

A. Styrene

B. Ethyl alcohol

C. Cumene

D. Phenol

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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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__________ is the major constituent of the Portland cement.

A. Calcium carbonate

B. Calcium oxide

C. Tricalcium silicate

D. Calcium sulphate

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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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Polycaprolactam is commercially known as

A. Nylon-6

B. Nylon-66

C. Dacron

D. Rayon

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Which of the following processes can remove both temporary as well as permanent hardness of water?

A. Filtration

B. Boiling

C. Distillation

D. None of these

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Main constituents of Portland cement are calcium aluminate and

A. Gypsum

B. Silicates

C. Sodium silicate

D. Carbonates

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Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?

A. Xanthates

B. Stearic acid

C. Calcium & aluminium stearate

D. Formic acid

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Extraction of __________ employs an electrolytic process.

A. Aluminium

B. Silver

C. Copper

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

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The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by

A. Electrolysis

B. Electrolytic reduction

C. Electrolytic oxidation

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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Impurities present in brine is normally removed by treatment with

A. NH₃ and CO₂

B. Lime and soda ash

C. Lime, ammonia and carbon

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

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One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to

A. Adjust the pH of the syrup

B. Remove the coloring matter from the syrup

C. Reduce the viscosity of the syrup

D. Improve the rate of crystallisation of sugar

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Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.

A. SO₃

B. Cl₂

C. NH₃

D. SO₂

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The basic constituent of vegetable oils is

A. Triglyceride

B. Fatty acids

C. Fatty alcohol

D. Mono esters

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Hydrolysis of sugar is called

A. Hydration

B. Inversion

C. Esterification

D. None of these

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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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Accepted Answer

A. Shift conversion

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

Correct Answer :

Show all Chemical Process MCQ

Related Questions

99.5% purity oxygen is used in

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

Maleic anhydride is produced by catalytic oxidation of

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

Which of the following is an ore of iron?

Ethanol amine is produced using ammonia and

Which of the following is not produced commercially from sea water?

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Na₂CO₃.10H₂O is called

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Washing soda is chemically represented by

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__________ is the major constituent of the Portland cement.

Bio-degradable detergents

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Which of the following processes can remove both temporary as well as permanent hardness of water?

Main constituents of Portland cement are calcium aluminate and

Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?

Extraction of __________ employs an electrolytic process.

The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by

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

Impurities present in brine is normally removed by treatment with

One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to

Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.

The basic constituent of vegetable oils is

Hydrolysis of sugar is called

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

Also checkout

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

Correct Answer :

Show all Chemical Process MCQ

Related Questions

99.5% purity oxygen is used in

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

Maleic anhydride is produced by catalytic oxidation of

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

Which of the following is an ore of iron?

Ethanol amine is produced using ammonia and

Which of the following is not produced commercially from sea water?

Which of the following is a constituent of coffee?

Na2CO3.10H2O is called

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

Main constituents of natural rubber is

Pick out the wrong statement.

Washing soda is chemically represented by

__________ is produced by the dehydrogenation of ethyl benzene.

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

__________ is the major constituent of the Portland cement.

Bio-degradable detergents

Polycaprolactam is commercially known as

Which of the following processes can remove both temporary as well as permanent hardness of water?

Main constituents of Portland cement are calcium aluminate and

Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?

Extraction of __________ employs an electrolytic process.

The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by

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

Impurities present in brine is normally removed by treatment with

One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to

Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.

The basic constituent of vegetable oils is

Hydrolysis of sugar is called

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

Also checkout

Na₂CO₃.10H₂O is called

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

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