Tall oil obtained as a by-product from the black liquor recovery is

Question

Tall oil obtained as a by-product from the black liquor recovery is

A. A black, sticky & viscous liquid

B. Used in the manufacture of greases, emulsions & soaps

C. Composed mainly of rosin & fatty acids

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

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Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.

A. Cutting

B. Fibrillation

C. Hydration

D. Strengthening

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Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C.

A. 15-30

B. 90-100

C. 250-300

D. < 0

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Which is the most efficient absorbent for SO₃ out of the following?

A. 20% oleum

B. 65% oleum

C. 78% H₂SO₄

D. 98% H₂SO₄

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Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc?

A. Sodium silicate

B. Sodium borate

C. Sodium tripolyphosphate (STPP)

D. Caustic soda

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Chrome tanning and vegetable tanning are done for

A. Light & heavy leather respectively

B. Heavy & light leather respectively

C. Both light & heavy leather

D. Neither light nor heavy leather

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Permanent hardness of water can be removed by

A. Simply boiling

B. Adding alum

C. Passing it through cation & anion exchangers

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

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In industrial nomenclature, alcohol means

A. Butyl alcohol

B. Propyl alcohol

C. Ethanol

D. Methyl alcohol

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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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Which of the following is a constituent of coffee?

A. Caffeine

B. Nicotine

C. Calgon

D. Lignin

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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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Bromine content in sea water may be around __________ ppm.

A. 70

B. 640

C. 1875

D. 2500

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Iron ore hematite is concentrated using

A. Electromagnetic separation mainly

B. Gravity separation

C. Froth floatation

D. Roasting

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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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Dehydrogenation of ethyl benzene produces

A. Styrene

B. Naphthalene

C. Phenol

D. Benzoic acid

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Extraction of __________ employs an electrolytic process.

A. Aluminium

B. Silver

C. Copper

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

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Molasses is the starting material for the production of

A. Alcohol

B. Essential oil

C. Fatty acids

D. Massecuite

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Polycaprolactam is commercially known as

A. Nylon-6

B. Nylon-66

C. Dacron

D. Rayon

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Sugar content in sugarcane on cane basis is about __________ percent by weight.

A. 1 to 5

B. 5 to 10

C. 15 to 20

D. 20 to 30

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BHC (Benzene hexachloride) is made by the chlorination of benzene

A. Which is an addition reaction

B. Which is a substitution reaction

C. In absolute dark

D. In presence of sunlight

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Superior quality laboratory apparatus is made of the __________ glass having low thermal coefficient of expansion & high chemical resistance.

A. Flint

B. Soda

C. Pyrex

D. Potash

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Hydrochloric acid is also known as

A. Oil of vitriol

B. Muriatic acid

C. Strong organic acid

D. Green acid

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Fire clay is __________ refractory material.

A. A basic

B. An acidic

C. A neutral

D. Not a

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Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent.

A. 75

B. < 10

C. > 30

D. 50

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__________ is a polysaccharide.

A. Maltose

B. Starch

C. Sucrose

D. Glucose

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Catalyst used in the hydrogenation of oil is

A. Nickel

B. Platinum

C. Iron

D. Alumina

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'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of

A. N₂ & H₂

B. CO₂ & H₂

C. CO & H₂

D. C & H₂

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Process conditions in fermentator used for production of penicillin is

A. 25°C, 2 atm

B. 50°C, l0 atm

C. 30°C, 200 mm Hg (absolute)

D. 90°C, 45 atm

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Trinitro-toluene (TNT) is

A. Used in glycerine manufacture

B. An explosive

C. Used in dye manufacture

D. None of these

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Rancidity of the fatty oil can be reduced by its

A. Decoloration

B. Hydrogenation

C. Oxidation

D. Purification

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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

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Accepted Answer

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

Tall oil obtained as a by-product from the black liquor recovery is

Correct Answer :

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Related Questions

Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.

Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C.

Which is the most efficient absorbent for SO₃ out of the following?

Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc?

Chrome tanning and vegetable tanning are done for

Permanent hardness of water can be removed by

In industrial nomenclature, alcohol means

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

Which of the following is a constituent of coffee?

Function of thinner in a paint is to

Bromine content in sea water may be around __________ ppm.

Iron ore hematite is concentrated using

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

Dehydrogenation of ethyl benzene produces

Extraction of __________ employs an electrolytic process.

Molasses is the starting material for the production of

Polycaprolactam is commercially known as

Sugar content in sugarcane on cane basis is about __________ percent by weight.

BHC (Benzene hexachloride) is made by the chlorination of benzene

Superior quality laboratory apparatus is made of the __________ glass having low thermal coefficient of expansion & high chemical resistance.

Hydrochloric acid is also known as

Fire clay is __________ refractory material.

Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent.

__________ is a polysaccharide.

Catalyst used in the hydrogenation of oil is

'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of

Process conditions in fermentator used for production of penicillin is

Trinitro-toluene (TNT) is

Rancidity of the fatty oil can be reduced by its

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

Also checkout

Tall oil obtained as a by-product from the black liquor recovery is

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.

Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C.

Which is the most efficient absorbent for SO3 out of the following?

Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc?

Chrome tanning and vegetable tanning are done for

Permanent hardness of water can be removed by

In industrial nomenclature, alcohol means

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

Which of the following is a constituent of coffee?

Function of thinner in a paint is to

Bromine content in sea water may be around __________ ppm.

Iron ore hematite is concentrated using

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

Dehydrogenation of ethyl benzene produces

Extraction of __________ employs an electrolytic process.

Molasses is the starting material for the production of

Polycaprolactam is commercially known as

Sugar content in sugarcane on cane basis is about __________ percent by weight.

BHC (Benzene hexachloride) is made by the chlorination of benzene

Superior quality laboratory apparatus is made of the __________ glass having low thermal coefficient of expansion & high chemical resistance.

Hydrochloric acid is also known as

Fire clay is __________ refractory material.

Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent.

__________ is a polysaccharide.

Catalyst used in the hydrogenation of oil is

'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of

Process conditions in fermentator used for production of penicillin is

Trinitro-toluene (TNT) is

Rancidity of the fatty oil can be reduced by its

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

Also checkout

Which is the most efficient absorbent for SO₃ out of the following?

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