Viscose rayon is

Question

Viscose rayon is

A. Cellulose nitrate

B. Regenerated cellulose nitrate

C. Regenerated cellulose acetate

D. None of these

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Widely used method for the conditioning of boiler feed water is the

A. Cold lime process

B. Coagulation

C. Hot-lime soda process

D. Sequestration

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__________ of rubber decreases after its vulcanisation.

A. Resistance to the action of organic solvent

B. Tackiness

C. Maximum service temperature

D. Tensile strength

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Flux addition during smelting of ore is done to

A. Remove impurities/gangue

B. Enhance rate of reaction

C. Accelerate reduction of ore

D. Separate slag from metal

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Washing soda is chemically represented by

A. Na₂CO₃

B. Na₂CO₃.H₂O

C. Na₂CO₃.10H₂O

D. NaHCO₃

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Which of the following is not present in bagasse fibre?

A. Cellulose

B. Lignin

C. Pentogens

D. None of these

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The terminology 'BTX' used in coal tar distillation industry refers to

A. Benzol-toluol-xylol

B. Benzol-toluene-xylene

C. Benzene-toluol-xylol

D. Benzene-toluene-xylene

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Multistage catalytic converter is not used in the

A. Conversion of SO2 to SO3

B. NH3 synthesis reaction

C. Both (A) and (B)

D. Neither (A) nor (B)

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Triple superphosphate is manufactured by reacting

A. Phosphate rock with phosphoric acid

B. Phosphate rock with sulphuric acid

C. Phosphate rock with nitric acid

D. Ammonium phosphate with phosphoric acid

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Magnesium and calcium __________ cause temporary hardness of water.

A. Carbonates

B. Bicarbonates

C. Phosphates

D. Sulphates

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Bleaching action of bleaching powder is due to its __________ properties.

A. Reducing

B. Oxidising

C. Disinfecting

D. None of these

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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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Type of glass used in optical work is the __________ glass.

A. Soda-lime

B. Fibre

C. Lead

D. Borosilicate

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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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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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Gypsum is chemically

A. Calcium chloride

B. Potassium sulphate

C. Sodium sulphate

D. Calcium sulphate

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Silicone is a/an

A. Thermoplastic

B. Inorganic polymer

C. Monomer

D. None of these

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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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Dechlorination of treated water is necessary to

A. Remove residual turbidity

B. Reduce the bacterial load on filter

C. Control taste and odour

D. Remove chlorinous taste

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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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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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Liquor poisoning generally occurs due to the presence of __________ in it.

A. Ethyl alcohol

B. Impurities

C. Methyl alcohol

D. Carbonic acid

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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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Adipic acid is an intermediate in the manufacture of

A. Perspex

B. Nylon-66

C. Polystyrene

D. Bakelite

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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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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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Nylon-66 is manufactured from

A. Hexamethylene diamine and adipic acid

B. Hexamethylene diamine and Maleic anhydride

C. Caprolactam

D. Dimethyl terephthalate and ethylene glycol

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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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Metallic soap is __________ salt of fatty acids.

A. Sodium

B. Potassium

C. Both sodium & potassium

D. Aluminium or calcium

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Na₂CO₃.10H₂O is called

A. Washing soda

B. Soda ash

C. Slaked lime

D. Quicklime

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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

D. None of these

Viscose rayon is

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Widely used method for the conditioning of boiler feed water is the

__________ of rubber decreases after its vulcanisation.

Flux addition during smelting of ore is done to

Washing soda is chemically represented by

Which of the following is not present in bagasse fibre?

The terminology 'BTX' used in coal tar distillation industry refers to

Multistage catalytic converter is not used in the

Triple superphosphate is manufactured by reacting

Magnesium and calcium __________ cause temporary hardness of water.

Bleaching action of bleaching powder is due to its __________ properties.

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

Type of glass used in optical work is the __________ glass.

Nickel is not used as a catalyst in the

Shaving soaps are

Gypsum is chemically

Silicone is a/an

Parathion and Malathion are

Dechlorination of treated water is necessary to

Contact process of sulphuric acid manufacture

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

Liquor poisoning generally occurs due to the presence of __________ in it.

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

Adipic acid is an intermediate in the manufacture of

Carboxymethyl cellulose (CMC) is added in detergents to

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

Nylon-66 is manufactured from

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

Metallic soap is __________ salt of fatty acids.

Na₂CO₃.10H₂O is called

Chemical name of soda ash is

Also checkout

Viscose rayon is

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Widely used method for the conditioning of boiler feed water is the

__________ of rubber decreases after its vulcanisation.

Flux addition during smelting of ore is done to

Washing soda is chemically represented by

Which of the following is not present in bagasse fibre?

The terminology 'BTX' used in coal tar distillation industry refers to

Multistage catalytic converter is not used in the

Triple superphosphate is manufactured by reacting

Magnesium and calcium __________ cause temporary hardness of water.

Bleaching action of bleaching powder is due to its __________ properties.

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

Type of glass used in optical work is the __________ glass.

Nickel is not used as a catalyst in the

Shaving soaps are

Gypsum is chemically

Silicone is a/an

Parathion and Malathion are

Dechlorination of treated water is necessary to

Contact process of sulphuric acid manufacture

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

Liquor poisoning generally occurs due to the presence of __________ in it.

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

Adipic acid is an intermediate in the manufacture of

Carboxymethyl cellulose (CMC) is added in detergents to

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

Nylon-66 is manufactured from

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

Metallic soap is __________ salt of fatty acids.

Na2CO3.10H2O is called

Chemical name of soda ash is

Also checkout

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

Na₂CO₃.10H₂O is called