Bakelite is

Question

Bakelite is

A. Same as Polytetrafluoroethylene (PTFE)

B. An inorganic polymer

C. Same as thermosetting phenol-formaldehyde

D. Not a polymer

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Nylon-6 as compared to Nylon-66 is having higher

A. Hardness

B. Abrasion/resistance

C. Melting point

D. None of these

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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

Discuss this answer

Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate

A. Is prone to thermal decomposition

B. Has high water solubility and is unstable

C. Is soluble in ammonium chloride and potassium chloride solution

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

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The ideal pulp for the manufacture of paper should have high __________ content.

A. Cellulose

B. Lignin

C. Both (A) & (B)

D. None of these

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Cement setting under water employs a/an __________ process.

A. Hydration

B. Decomposition

C. Oxidation

D. Reduction

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In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed:

A. Furnace → converter → absorber

B. Furnace → evaporator → absorber

C. Furnace → converter → evaporator

D. Converter → furnace → absorber

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Coke used for the production of calcium carbide should have

A. Low ash content

B. Low ignition temperature

C. High electrical resistivity

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

Discuss this answer

Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an

A. Explosive

B. Soap

C. Detergent

D. Analgesic drug

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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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Flexible foam (for mattresses) is usually made of

A. PVC

B. Silicone

C. Polyurethanes

D. Polyamides

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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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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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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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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)

Discuss this answer

Titanium dioxide is a/an __________ colour pigment.

A. White

B. Black

C. Yellow

D. Blue

Discuss this answer

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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__________ is produced by the dehydrogenation of ethyl benzene.

A. Styrene

B. Ethyl alcohol

C. Cumene

D. Phenol

Discuss this answer

Pick out the correct statement.

A. A fat is converted into oil by its hydrogenation

B. There is no difference between a fat and an oil so far as its physical properties are concerned

C. All vegetable oils except coconut oil, contains fatty acids having more than sixteen carbon atoms

D. Vegetable oils are classified as drying, non-drying and semi drying oils depending upon their fatty acids content

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The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.

A. 800

B. 1600

C. 4000

D. 8500

Discuss this answer

10% oleum comprises of 10% free

A. SO₂

B. H₂SO₃

C. SO₃

D. H₂SO₄

Discuss this answer

Hard water

A. Does not affect the lather formation by soap

B. Is not unfit for drinking purpose

C. Pollutes the water stream

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

Discuss this answer

Fish contains about __________ percent oil.

A. 5

B. 10

C. 20

D. 35

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Phosphate rock is a raw material for the manufacture of

A. Phosphoric acid

B. Phosphorous

C. Superphosphates

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

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Function of sodium thiosulphate (hypo) in development of photographic film/plate is to

A. Brighten the faint images

B. Remove metallic silver

C. Convert silver chloride to silver

D. Remove unexposed silver halide

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Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because

A. Its calorific value is very less

B. Tar neutralises the residual acids present in pitch

C. It reduces viscosity and imparts fluidity for its transportation through pipelines at economic pressure drop

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

Discuss this answer

Main use of hydrazine is

A. As a rocket fuel

B. In water treatment

C. As a disinfectant

D. As fire retardant

Discuss this answer

Which of the following is not a product of coal tar distillation?

A. Anthracene

B. Creosote oil

C. Carbolic oil

D. None of these

Discuss this answer

Riboflavin is a/an

A. Vitamin

B. Analgesic drug

C. Anaesthetics

D. Anti-malarial drug

Discuss this answer

Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively

A. V₂O₅ & Cr₂O₃.

B. Oxides of nitrogen & Cr₂O₃

C. V₂O₅ on a porous carrier & oxides of nitrogen

D. Oxides of nitrogen & V₂O₅ on a porous carrier

Discuss this answer

Starting raw material for the manufacture of Maleic anhydride is

A. n-butene

B. Benzene

C. Either (A) or (B)

D. Neither (A) nor (B)

Discuss this answer

Accepted Answer

C. Same as thermosetting phenol-formaldehyde

Bakelite is

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Nylon-6 as compared to Nylon-66 is having higher

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

Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate

The ideal pulp for the manufacture of paper should have high __________ content.

Cement setting under water employs a/an __________ process.

In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed:

Coke used for the production of calcium carbide should have

Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an

High purity nitrogen is used in

Flexible foam (for mattresses) is usually made of

Producer gas consists mainly of

Lubricating greases are a mixture of

White phosphorous is stored under water, because

Multistage catalytic converter is not used in the

Titanium dioxide is a/an __________ colour pigment.

Nylon-66 is manufactured from

__________ is produced by the dehydrogenation of ethyl benzene.

Pick out the correct statement.

The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.

10% oleum comprises of 10% free

Hard water

Fish contains about __________ percent oil.

Phosphate rock is a raw material for the manufacture of

Function of sodium thiosulphate (hypo) in development of photographic film/plate is to

Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because

Main use of hydrazine is

Which of the following is not a product of coal tar distillation?

Riboflavin is a/an

Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively

Starting raw material for the manufacture of Maleic anhydride is

Also checkout

Bakelite is

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Nylon-6 as compared to Nylon-66 is having higher

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

Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate

The ideal pulp for the manufacture of paper should have high __________ content.

Cement setting under water employs a/an __________ process.

In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed:

Coke used for the production of calcium carbide should have

Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an

High purity nitrogen is used in

Flexible foam (for mattresses) is usually made of

Producer gas consists mainly of

Lubricating greases are a mixture of

White phosphorous is stored under water, because

Multistage catalytic converter is not used in the

Titanium dioxide is a/an __________ colour pigment.

Nylon-66 is manufactured from

__________ is produced by the dehydrogenation of ethyl benzene.

Pick out the correct statement.

The compressive strength of cement should not be less than about 110Kg/cm2 after three days & not less than 170Kg/cm2 after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm2/gm.

10% oleum comprises of 10% free

Hard water

Fish contains about __________ percent oil.

Phosphate rock is a raw material for the manufacture of

Function of sodium thiosulphate (hypo) in development of photographic film/plate is to

Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because

Main use of hydrazine is

Which of the following is not a product of coal tar distillation?

Riboflavin is a/an

Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively

Starting raw material for the manufacture of Maleic anhydride is

Also checkout

The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.