Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like

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Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like

A. High cost

B. Fragile nature

C. Easy poisoning tendency

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

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Lime and soda ash are added to water to remove

A. Bicarbonates & sulphates of calcium and magnesium

B. Undesirable taste and odour

C. Bacteria

D. Its corrosiveness

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Hydrogenation of vegetable oils is a/an __________ reaction.

A. Endothermic

B. Autocatalytic

C. Exothermic

D. Homogenous

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Sand and __________ is fused at 1300°C, to produce sodium silicate.

A. Limestone

B. Soda ash

C. Coke

D. Sodium sulphate

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Ethyl alcohol cannot be produced

A. From waste sulphite substrate of paper mills

B. By Esterification and hydrolysis of ethylene

C. From molasses

D. None of these

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Direct conversion of chemical energy into electrical energy is done in a

A. Magnetohydrodynamic (MHD) generator

B. Fuel cell

C. Fast breeder reactor

D. None of these

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Sulphur addition in soap is done to

A. Improve the soap texture

B. Cure pimples & dandruff

C. Fasten lather formation

D. Increase its cleansing action

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Dichloro diphenyl __________ is the full form of DDT (an insecticide).

A. Tetrachloroethane

B. Trichloroethane

C. Tetrachloromethane

D. Trichloromethane

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Main constituents of natural rubber is

A. Polystyrene

B. Polyisoprene

C. Polybutadiene

D. Polychlorophrene

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Zeolite used in water softening process (cation exchange) is regenerated by washing with

A. Brine

B. Chloramines

C. Sodium bisulphite

D. Liquid chlorines

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Sulphur removal by heating of pyrite ore in presence of air is called its

A. Reduction

B. Roasting

C. Calcination

D. Smelting

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Chemical name of soda ash is

A. Sodium bicarbonate

B. Sodium thiosulphate

C. Potassium carbonate

D. None of these

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Argon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air is

A. 0.14

B. 0.34

C. 0.94

D. 1.4

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Silicon carbide is a/an

A. Adhesive

B. Abrasive

C. Type of glass

D. Brittle material

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The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to

A. Avoid mechanical weakening of fibre

B. Remove lignin by way of crystallisation

C. Increase the cellulose content

D. None of these

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Viscosity index improver (like polystyrene or polyisobutylene) is added to lubricant to

A. Reduce its viscosity

B. Increase its viscosity

C. Reduce the variation in its viscosity with temperature

D. Increase the variation in its viscosity with temperature

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Free alkali in a toilet soap is __________ that in a laundry shop.

A. Less than

B. More than

C. Same

D. None of these

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Na₂CO₃.10H₂O is called

A. Washing soda

B. Soda ash

C. Slaked lime

D. Quicklime

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A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.).

A. 1

B. 10

C. 25

D. 40

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Claude process of gas liquefaction employs

A. Merely compression of gas beyond its critical pressure

B. Joule-Thomson expansion cooling

C. Heat exchange with colder stream

D. Adiabatic expansion against a piston or in a turbine

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Solvay process is used for the manufacture of

A. Caustic soda

B. Soda ash

C. Caustic potash

D. Soda lime

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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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90% of the caprolactam is converted to nylon-6 on its condensation polymerisation in the reactor maintained at __________ °C.

A. < 0

B. 10-30

C. 250-280

D. 500-600

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Reverse osmosis is normally used for the

A. Separation of isotopes of uranium from gaseous uranium hexafluoride

B. Separation of helium from natural gas

C. Desalination of brackish water to produce potable (drinking) water

D. Purification of oxygen

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Which of the following is a constituent of vinegar?

A. Around 10% alcohol

B. Around 1% acetic acid

C. Both (A) and (B)

D. Neither (A) nor (B)

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Starting material for the production of styrene butadiene rubber (SBR) is

A. Ethyl alcohol

B. Ethylene

C. Both (A) & (B)

D. Neither (A) nor (B)

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Nickel is not used as a catalyst in the

A. Fischer-Tropsch process

B. Shift conversion

C. Hydrogenation of oil

D. Ostwald's process of HNO3 manufacture

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Pick out the true statement pertaining to water treatment.

A. Slow sand filters can remove colour completely

B. Activated carbon can be used for taste & odour control without subsequent filtration

C. Application of activated carbon reduces the temporary hardness of water

D. Normally, the turbidity is removed by adding a coagulant prior to sedimentation

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Most commonly used rubber vulcanising agent is

A. Sulphur

B. Bromine

C. Platinum

D. Alumina

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A substance produced by a living organism and capable of anti-microbial activity is called a/an

A. Antibiotic

B. Antiseptic

C. Disinfectant

D. None of these

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P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as

A. Bakelite

B. Neoprene

C. Teflon

D. Nylon-66

Discuss this answer

Accepted Answer

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

Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Lime and soda ash are added to water to remove

Hydrogenation of vegetable oils is a/an __________ reaction.

Sand and __________ is fused at 1300°C, to produce sodium silicate.

Ethyl alcohol cannot be produced

Direct conversion of chemical energy into electrical energy is done in a

Sulphur addition in soap is done to

Dichloro diphenyl __________ is the full form of DDT (an insecticide).

Main constituents of natural rubber is

Zeolite used in water softening process (cation exchange) is regenerated by washing with

Sulphur removal by heating of pyrite ore in presence of air is called its

Chemical name of soda ash is

Argon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air is

Silicon carbide is a/an

The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to

Viscosity index improver (like polystyrene or polyisobutylene) is added to lubricant to

Free alkali in a toilet soap is __________ that in a laundry shop.

Na₂CO₃.10H₂O is called

A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.).

Claude process of gas liquefaction employs

Solvay process is used for the manufacture of

Neoprene is the trade name of

90% of the caprolactam is converted to nylon-6 on its condensation polymerisation in the reactor maintained at __________ °C.

Reverse osmosis is normally used for the

Which of the following is a constituent of vinegar?

Starting material for the production of styrene butadiene rubber (SBR) is

Nickel is not used as a catalyst in the

Pick out the true statement pertaining to water treatment.

Most commonly used rubber vulcanising agent is

A substance produced by a living organism and capable of anti-microbial activity is called a/an

P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as

Also checkout

Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Lime and soda ash are added to water to remove

Hydrogenation of vegetable oils is a/an __________ reaction.

Sand and __________ is fused at 1300°C, to produce sodium silicate.

Ethyl alcohol cannot be produced

Direct conversion of chemical energy into electrical energy is done in a

Sulphur addition in soap is done to

Dichloro diphenyl __________ is the full form of DDT (an insecticide).

Main constituents of natural rubber is

Zeolite used in water softening process (cation exchange) is regenerated by washing with

Sulphur removal by heating of pyrite ore in presence of air is called its

Chemical name of soda ash is

Argon is the third largest constituent of air (followed by N2 & O2). Its percentage by volume in air is

Silicon carbide is a/an

The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to

Viscosity index improver (like polystyrene or polyisobutylene) is added to lubricant to

Free alkali in a toilet soap is __________ that in a laundry shop.

Na2CO3.10H2O is called

A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.).

Claude process of gas liquefaction employs

Solvay process is used for the manufacture of

Neoprene is the trade name of

90% of the caprolactam is converted to nylon-6 on its condensation polymerisation in the reactor maintained at __________ °C.

Reverse osmosis is normally used for the

Which of the following is a constituent of vinegar?

Starting material for the production of styrene butadiene rubber (SBR) is

Nickel is not used as a catalyst in the

Pick out the true statement pertaining to water treatment.

Most commonly used rubber vulcanising agent is

A substance produced by a living organism and capable of anti-microbial activity is called a/an

P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as

Also checkout

Argon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air is

Na₂CO₃.10H₂O is called