In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the

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In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the

A. Diamine and the ring

B. Dibasic acid and the ring

C. Diamine and the dibasic acid

D. None of these

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Neoprene is chemically known as

A. Polybutadiene

B. Styrene butadiene rubber (SBR)

C. Polyurethane

D. Polychlorophrene

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Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene?

A. AgO

B. Al₂O₃

C. ZnCl₂

D. Fe₂O₃

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__________ are added in lacquers to remove film brittleness and to improve adhereness.

A. Film forming materials

B. Plasticisers

C. Diluents

D. Solvents

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Producer gas consists mainly of

A. CO, CO₂ N₂, H₂

B. CO, H₂

C. H₂, CH₄

D. C₂H₂, CO₂, H₂

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Comparing sulphate process with sulphite process, we find that __________ in the later.

A. Both temperature & pressure in the former is less than that

B. Both temperature & pressure in the former is more than that

C. Temperature is more in the former whereas pressure is more

D. Pressure is more in the former whereas temperature is less

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Manufacture of phthalic anhydride uses __________ as a catalyst.

A. Ni

B. Cr

C. V₂O₅

D. Al₂O₃

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Nylon-6 is manufactured from

A. Caprolactam

B. Hexamethylene diamine and adipic acid

C. Hexamethylene diamine and Maleic anhydride

D. Hexamethylene diamine and Sebacic acid

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Contact process of sulphuric acid manufacture

A. Yields acid of higher concentration than chamber process

B. Yields acids of lower concentration than chamber process

C. Is obsolete

D. Eliminates absorber

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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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Which of the following is the purest form of water out of the following?

A. Underground water

B. Rain water

C. Well water

D. Lake water

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Hydrazine is largely used

A. As a starting material for 'hypo'

B. In photographic industry

C. As rocket fuel

D. In printing industry

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Addition of calcium oxide to water produces

A. Exothermic heat

B. Hissing sound

C. Slaked lime

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

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The catalyst used in shift converter is

A. Nickel

B. Vanadium

C. Silica gel

D. Alumina

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The noble gas which occurs most abundantly in the atmosphere is

A. Helium

B. Neon

C. Krypton

D. Argon

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Wet chlorine gas produced during electrolysis of brine is dehydrated by

A. Spraying 66° Be H2SO4 counter current to the flow of the gas

B. Passing it through a bed of diatomaceous earth

C. Passing it through a bed of silica gel

D. None of these

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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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High purity nitrogen is used in

A. Making protective gas (95% N2 + 5% H2) for annealing of cold rolled steel strip coils

B. Fire fighting purposes

C. Both (A) & (B)

D. Neither (A) nor (B)

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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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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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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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A good quality coal should have

A. Low fusion point of ash

B. High ash content

C. High sulphur content

D. None of these

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__________ is used as a catalyst in fat splitting.

A. ZnO

B. Ni

C. V₂O₅

D. FeO

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Calgon used in water treatment is chemically

A. Sodium phosphate

B. Sodium hexametaphosphate

C. Calcium phosphate

D. Tricresyl phosphate

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Parathion and Malathion are

A. Pesticides

B. Plasticisers for unsaturated polyesters

C. Pain-relieving drugs (analgesic)

D. Tranquilisers

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__________ acid is the main constituent of cotton seed oil.

A. Acetic

B. Linoleic

C. Palmitic

D. Oleic

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Which of the following has sodium bicarbonate as its main constituent?

A. Baking soda

B. Baking powder

C. Washing soda

D. None of these

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__________ process is used for the commercial production of nitric acid by the catalytic oxidation of ammonia.

A. Solvay

B. Ostwald's

C. Haber's

D. None of these

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Naphthalene is removed from coke oven gas by

A. Adsorbing on palladium

B. Absorbing in ethanolamine

C. Scrubbing with wash oil

D. Passing it through electrostatic precipitator

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Which one of the following is not an elastomer?

A. Polyisoprene

B. Neoprene

C. Nitrile-butadiene

D. None of these

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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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Accepted Answer

C. Diamine and the dibasic acid

In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the

Correct Answer :

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Related Questions

Neoprene is chemically known as

Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene?

__________ are added in lacquers to remove film brittleness and to improve adhereness.

Producer gas consists mainly of

Comparing sulphate process with sulphite process, we find that __________ in the later.

Manufacture of phthalic anhydride uses __________ as a catalyst.

Nylon-6 is manufactured from

Contact process of sulphuric acid manufacture

Aryl benzene sulphonate (ABS) is a

Which of the following is the purest form of water out of the following?

Hydrazine is largely used

Addition of calcium oxide to water produces

The catalyst used in shift converter is

The noble gas which occurs most abundantly in the atmosphere is

Wet chlorine gas produced during electrolysis of brine is dehydrated by

Graphite is a/an

High purity nitrogen is used in

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

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

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

A good quality coal should have

__________ is used as a catalyst in fat splitting.

Calgon used in water treatment is chemically

Parathion and Malathion are

__________ acid is the main constituent of cotton seed oil.

Which of the following has sodium bicarbonate as its main constituent?

__________ process is used for the commercial production of nitric acid by the catalytic oxidation of ammonia.

Naphthalene is removed from coke oven gas by

Which one of the following is not an elastomer?

Chemical name of soda ash is

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