Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it

Question

Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it

A. Has larger production capacity per unit cell

B. Consumes less power per ton of Cl2 produced

C. Produces high purity (70%) caustic soda directly

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

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Deacon's method is used for the manufacture of

A. Glauber's salt

B. Common salt

C. Chlorine

D. Graphite electrode

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

A. Phosphates

B. Chromates

C. Sulphates

D. Bi-carbonates

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CO & H₂ are the constituents of

A. Producer gas

B. Water gas

C. Coke oven gas

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

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Pick out the wrong statement.

A. Chamber process of sulphuric acid manufacture produces pure acid of concentration < 80%

B. Contact process of sulphuric acid manufacture produces pure acid of concentration ≥ 98%

C. 75% oleum can be produced by distillation of 20% oleum

D. Contact process of sulphuric acid manufacture uses nickel as the catalyst

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Roasting of metallurgical ores is done mainly to

A. Dehydrate it

B. Sinter the ore

C. Remove CO₂ & H₂O

D. Remove arsenic & sulphur

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Lubricating greases are a mixture of

A. Mineral oil, soap and additives

B. Mineral oil and metallic soap

C. Mineral oil and fatty oil

D. Fatty oil and metallic soap

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Yellow phosphorus is transported under

A. Air

B. Water

C. Nitrogen

D. Helium

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White phosphorous is stored under water, because

A. It does not react with water

B. It is poisonous

C. Its kindling temperature in dry air is very low

D. It is unstable

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Nylon-6 is a

A. Polyamide

B. Thermosetting resin

C. Polyester

D. None of these

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Builders are added in soap to act as

A. Cleaning power booster

B. Anti-redeposition agent

C. Corrosion inhibitor

D. Fabric brightener

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Coke oven gas consists mainly of

A. H₂, & CH₄

B. CO, & CO₂

C. H₂, & CO

D. CH₄, & CO

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In an integrated steel plant, NH3 present in coke oven gas is normally recovered as

A. (NH₄)₂SO₄

B. NH₄Cl

C. (NH₄)₂ NO₃

D. Liquid NH₃

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Bisphenol A is produced by the condensation of acetone with

A. Formaldehyde

B. Ethyl alcohol

C. Diethyl ether

D. Phenol

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Which of the following is a detergent?

A. Fatty alcohol

B. Alkyl benzene sulphonate (ABS)

C. Fatty acids

D. Methylene chloride

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Use of water having dissolved oxygen in boilers promotes

A. Corrosion

B. Sequestration

C. Scale formation

D. None of these

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'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of

A. N₂ & H₂

B. CO₂ & H₂

C. CO & H₂

D. C & H₂

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For the hydrogenation of oils, (i) is commonly used as catalyst and (ii) is a catalyst poison.

A. (i) platinum (ii) sulphur

B. (i) palladium (ii) oxygen

C. (i) nickel (ii) sulphur

D. (i) nickel (ii) oxygen

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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 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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Wax is a

A. Mixture of glycerides

B. Mixture of esters of polyhydric alcohols excepting glycerine

C. Liquid at room temperature

D. Mixture of glycerides of fatty acids

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__________ is not a constituent of gun powder.

A. Carbon

B. Charcoal

C. Sulphur

D. Potassium nitrate

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Isopropyl benzene produced by alkylation of benzene with propylene is known as

A. Neoprene

B. Cumene

C. Gelatin

D. Mercaptans

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Boiling of water containing temporary hardness produces

A. CO₂

B. CaSO₄

C. CaHCO₃

D. None of these

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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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Carboxymethyl cellulose (CMC) is added in detergents to

A. Prevent redeposition of soil on cleaned surface

B. Act as optical brightening agent

C. Inhibit corrosion in washing machines made of aluminium

D. None of these

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Shaving soaps are

A. Soft potassium soaps (potassium salt of fatty acid) with free Stearic acid to give lather a lasting property

B. Metallic soaps compounded with frothing agents

C. High free alkali soaps having excess of cane sugar and alcohol

D. None of these

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Hydrogenation of oil/fat does not

A. Improve its resistance to rancid oxidation

B. Raise its melting point

C. Remove double bonds

D. None of these

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Pick out the wrong statement pertaining to nitric acid.

A. About 90% of nitric acid is manufactured by Ostwald's process

B. It is a strong mono basic acid which reacts with almost all the metals except noble metals

C. Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO2)

D. Arc process of nitric acid manufacture is economical as compared to Ostwald's process

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Washing soda is chemically represented by

A. Na₂CO₃

B. Na₂CO₃.H₂O

C. Na₂CO₃.10H₂O

D. NaHCO₃

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Accepted Answer

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

Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it

Correct Answer :

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Related Questions

Deacon's method is used for the manufacture of

Permanent hardness of water can be removed by

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

CO & H₂ are the constituents of

Pick out the wrong statement.

Roasting of metallurgical ores is done mainly to

Lubricating greases are a mixture of

Yellow phosphorus is transported under

White phosphorous is stored under water, because

Nylon-6 is a

Builders are added in soap to act as

Coke oven gas consists mainly of

In an integrated steel plant, NH3 present in coke oven gas is normally recovered as

Bisphenol A is produced by the condensation of acetone with

Which of the following is a detergent?

Use of water having dissolved oxygen in boilers promotes

'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of

For the hydrogenation of oils, (i) is commonly used as catalyst and (ii) is a catalyst poison.

Ethanol amine is produced using ammonia and

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

Wax is a

__________ is not a constituent of gun powder.

Isopropyl benzene produced by alkylation of benzene with propylene is known as

Boiling of water containing temporary hardness produces

Styrene butadiene rubber (SBR) is

Carboxymethyl cellulose (CMC) is added in detergents to

Shaving soaps are

Hydrogenation of oil/fat does not

Pick out the wrong statement pertaining to nitric acid.

Washing soda is chemically represented by

Also checkout

Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Deacon's method is used for the manufacture of

Permanent hardness of water can be removed by

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

CO & H2 are the constituents of

Pick out the wrong statement.

Roasting of metallurgical ores is done mainly to

Lubricating greases are a mixture of

Yellow phosphorus is transported under

White phosphorous is stored under water, because

Nylon-6 is a

Builders are added in soap to act as

Coke oven gas consists mainly of

In an integrated steel plant, NH3 present in coke oven gas is normally recovered as

Bisphenol A is produced by the condensation of acetone with

Which of the following is a detergent?

Use of water having dissolved oxygen in boilers promotes

'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of

For the hydrogenation of oils, __________ (i) __________ is commonly used as catalyst and __________ (ii) __________ is a catalyst poison.

Ethanol amine is produced using ammonia and

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

Wax is a

__________ is not a constituent of gun powder.

Isopropyl benzene produced by alkylation of benzene with propylene is known as

Boiling of water containing temporary hardness produces

Styrene butadiene rubber (SBR) is

Carboxymethyl cellulose (CMC) is added in detergents to

Shaving soaps are

Hydrogenation of oil/fat does not

Pick out the wrong statement pertaining to nitric acid.

Washing soda is chemically represented by

Also checkout

CO & H₂ are the constituents of

For the hydrogenation of oils, (i) is commonly used as catalyst and (ii) is a catalyst poison.