The difference between saponification value and acid value is

Question

The difference between saponification value and acid value is

A. Called ester value

B. Always negative

C. Constant for all fatty oils

D. None of these

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Glycerine is recovered from lye by

A. Evaporation followed by vacuum distillation

B. Liquid extraction technique

C. Extractive distillation technique

D. None of these

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Celluloid is chemically

A. Cellulose acetate

B. Regenerated cellulose

C. Cellulose nitrate

D. Cellulose acetate butyrate

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Alum [Al₂(SO₄)₃] is used as a coagulant in water treatment to remove

A. Colour

B. Turbidity

C. Bacteria

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

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The major use of butadiene is

A. As a plasticiser for unsaturated polyester

B. In the manufacture of synthetic rubber

C. As an anti-skinning agent in paint

D. None of these

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Function of thinner in a paint is to

A. Accelerate the oxidation of oil

B. Prevent gelling of the paint

C. Suspend pigments & dissolve film forming materials

D. Form a protective film

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The catalyst used in the manufacture of DDT is

A. Alumina

B. Silica

C. 20% oleum

D. Aluminium chloride

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Anion exchanger is regenerated usually with

A. NaOH

B. H2SO4

C. Hydrazine

D. Alum solution

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Portland cement consists mainly of

A. CaO & SiO₂

B. SiO₂ & Al₂O₃

C. CaO & Al₂O₃

D. CaO & Fe₂O₃

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High temperature carbonisation of coal takes place at __________ °C.

A. 2000

B. 700

C. 1100

D. < 500

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In sulphate pulp manufacture, the pressure and temperature in the digestor is

A. 10 atm., 800 °C

B. 10 atm., 170-180°C

C. 1 atm., 170 - 180°C

D. 1 atm., 800°C

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Potassium is kept & transported under

A. Water

B. Liquid ammonia

C. Kerosene oil

D. Alcohol

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At a given temperature, the equilibrium yield of SO3 obtained from the oxidation of SO2 is proportional to (where, P = pressure of the system).

A. P

B. √P

C. P²

D. 1/P

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Which allotrope of sulphur is insoluble in carbon disulphide?

A. Rhombic sulphur

B. Monoclinic sulphur

C. Plastic sulphur

D. Milk of sulphur

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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 amount of benzene present in pure Benzol is about __________ percent.

A. 30

B. 50

C. 70

D. 90

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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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Starting raw material for the manufacture of alum is

A. Alumina

B. Gypsum

C. Bauxite

D. Ammonium bicarbonate

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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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Titanium dioxide is a/an __________ colour pigment.

A. White

B. Black

C. Yellow

D. Blue

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10% oleum comprises of 10% free

A. SO₂

B. H₂SO₃

C. SO₃

D. H₂SO₄

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Shrinkage volume in cement setting does not depend upon the

A. Sand to cement ratio

B. Water to cement ratio

C. Ambient temperature fluctuation

D. Drying period

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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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Oxygen is produced by fractionation of air using __________ process.

A. Linde's

B. Claude's

C. Either (A) or (B)

D. None of these

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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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Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C.

A. 25

B. 60-70

C. 150-200

D. 250-300

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Hydrolysis of sugar is called

A. Hydration

B. Inversion

C. Esterification

D. None of these

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Which oil is preferred for paint manufacture?

A. Drying oil

B. Non-drying oil

C. Semi-drying oil

D. Saturated oil

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Sulphuric acid saturated with SO₃ is called

A. Concentrated H₂SO₄

B. Sulphurous acid

C. Oleum

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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__________ of quicklime produces slaked lime.

A. Hydration

B. Dehydration

C. Hydrogenation

D. None of these

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Accepted Answer

A. Called ester value

The difference between saponification value and acid value is

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Glycerine is recovered from lye by

Celluloid is chemically

Alum [Al₂(SO₄)₃] is used as a coagulant in water treatment to remove

The major use of butadiene is

Function of thinner in a paint is to

The catalyst used in the manufacture of DDT is

Anion exchanger is regenerated usually with

Portland cement consists mainly of

High temperature carbonisation of coal takes place at __________ °C.

In sulphate pulp manufacture, the pressure and temperature in the digestor is

Potassium is kept & transported under

At a given temperature, the equilibrium yield of SO3 obtained from the oxidation of SO2 is proportional to (where, P = pressure of the system).

Which allotrope of sulphur is insoluble in carbon disulphide?

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

The amount of benzene present in pure Benzol is about __________ percent.

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

Starting raw material for the manufacture of alum is

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

Titanium dioxide is a/an __________ colour pigment.

10% oleum comprises of 10% free

Shrinkage volume in cement setting does not depend upon the

Nylon-6 is manufactured from

Oxygen is produced by fractionation of air using __________ process.

Lubricating greases are a mixture of

Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C.

Hydrolysis of sugar is called

Which oil is preferred for paint manufacture?

Sulphuric acid saturated with SO₃ is called

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

__________ of quicklime produces slaked lime.

Also checkout

The difference between saponification value and acid value is

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Glycerine is recovered from lye by

Celluloid is chemically

Alum [Al2(SO4)3] is used as a coagulant in water treatment to remove

The major use of butadiene is

Function of thinner in a paint is to

The catalyst used in the manufacture of DDT is

Anion exchanger is regenerated usually with

Portland cement consists mainly of

High temperature carbonisation of coal takes place at __________ °C.

In sulphate pulp manufacture, the pressure and temperature in the digestor is

Potassium is kept & transported under

At a given temperature, the equilibrium yield of SO3 obtained from the oxidation of SO2 is proportional to (where, P = pressure of the system).

Which allotrope of sulphur is insoluble in carbon disulphide?

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

The amount of benzene present in pure Benzol is about __________ percent.

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

Starting raw material for the manufacture of alum is

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

Titanium dioxide is a/an __________ colour pigment.

10% oleum comprises of 10% free

Shrinkage volume in cement setting does not depend upon the

Nylon-6 is manufactured from

Oxygen is produced by fractionation of air using __________ process.

Lubricating greases are a mixture of

Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C.

Hydrolysis of sugar is called

Which oil is preferred for paint manufacture?

Sulphuric acid saturated with SO3 is called

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

__________ of quicklime produces slaked lime.

Also checkout

Alum [Al₂(SO₄)₃] is used as a coagulant in water treatment to remove

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

Sulphuric acid saturated with SO₃ is called