Pasteurisation of milk means

Question

Pasteurisation of milk means

A. Removal of fatty and albuminous substance from it

B. Killing of organisms present in it by heating it at controlled temperature without changing its natural characteristics

C. Inhibiting the growth of micro-organisms without killing them

D. None of these

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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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Commercial production of calcium carbide requires limestone and __________ as raw materials.

A. Coke

B. Sand

C. Soda ash

D. Fuel oil

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Lime and soda ash are added to water to remove

A. Bicarbonates & sulphates of calcium and magnesium

B. Undesirable taste and odour

C. Bacteria

D. Its corrosiveness

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Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the __________ process.

A. Mechanical

B. Sulphate/Kraft

C. Sulphite

D. Neutral sulphite semi-chemical

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__________ is a polysaccharide.

A. Maltose

B. Starch

C. Sucrose

D. Glucose

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Most widely and commonly used coagulant for the removal of suspended impurities in water is

A. Bleaching powder

B. Slaked lime

C. Alum

D. Copper sulphate

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Sea water contains about __________ ppm of bromine.

A. 5

B. 70

C. 500

D. 1700

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Naphthols are derivates of

A. Methyl amine

B. Naphthalene

C. Phenol

D. Xylene

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Fourdrinier machine is used in the manufacture of

A. Nylon-6

B. Paper

C. Antibiotics

D. Sugar

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A bio-catalyst produced by living cells which acts independent of the cell is called a/an

A. Substrate

B. Enzyme

C. Nutrient

D. None of these

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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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Zeolite is used in the

A. Water treatment

B. Glass manufacture

C. Hydrogenation of fatty oil as a catalyst

D. Development of exposed photographic plate

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Polymerisation product of C2F4 (carbon tetrafluoride) is called P.T.F.E (poly chloro tetra fluoro ethylene). It is also called

A. Polyurethane

B. Silicone

C. Teflon

D. Epoxy resin

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In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst

A. Gives higher conversion efficiency

B. Has a longer life and is not poisoned by arsenic

C. Handles lower SO2 content gas (7 -10% SO₂), thus increasing the capital cost of the plant

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

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Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent.

A. 10

B. 50

C. 80

D. 95

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Cellulose percentage in bamboo fibre is about

A. 10

B. 20

C. 50

D. 85

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The major constituents of glass are

A. Lime, clay and soda ash

B. Sand, lime and soda ash

C. Silica, alumina and clay

D. Silica, alumina and soda ash

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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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Absorption of SO3 in 97% H2SO4 is

A. Exothermic

B. Endothermic

C. Not possible

D. None of these

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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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Esterification reaction

A. Produces soap

B. Is reversible

C. Is a reaction between an alcohol and an organic acid

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

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Flash point of most vegetable oils is about __________ °C.

A. 50

B. 100

C. 200

D. 300

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Massecuite is a terminology used in the __________ industry.

A. Paint

B. Oil hydrogenation

C. Soap

D. Sugar

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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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Ethyl alcohol cannot be produced

A. From waste sulphite substrate of paper mills

B. By Esterification and hydrolysis of ethylene

C. From molasses

D. None of these

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Haemoglobin is a/an

A. Amino acid

B. Biological catalyst

C. Protein

D. Enzyme

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Esterification reaction produces

A. Detergent

B. Vanaspati

C. Soap

D. Mercaptans

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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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Favourable conditions for the liquefaction of gases in general are

A. High pressure & low temperature

B. Low pressure & high temperature

C. High pressure & high temperature

D. Low pressure & low temperature

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Deacon's method is used for the manufacture of

A. Glauber's salt

B. Common salt

C. Chlorine

D. Graphite electrode

Discuss this answer

Accepted Answer

B. Killing of organisms present in it by heating it at controlled temperature without changing its natural characteristics

Pasteurisation of milk means

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Shaving soaps are

Commercial production of calcium carbide requires limestone and __________ as raw materials.

Lime and soda ash are added to water to remove

Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the __________ process.

__________ is a polysaccharide.

Most widely and commonly used coagulant for the removal of suspended impurities in water is

Sea water contains about __________ ppm of bromine.

Naphthols are derivates of

Fourdrinier machine is used in the manufacture of

A bio-catalyst produced by living cells which acts independent of the cell is called a/an

Process conditions in fermentator used for production of penicillin is

Zeolite is used in the

Polymerisation product of C2F4 (carbon tetrafluoride) is called P.T.F.E (poly chloro tetra fluoro ethylene). It is also called

In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst

Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent.

Cellulose percentage in bamboo fibre is about

The major constituents of glass are

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

Absorption of SO3 in 97% H2SO4 is

Which of the following is not present in bagasse fibre?

Esterification reaction

Flash point of most vegetable oils is about __________ °C.

Massecuite is a terminology used in the __________ industry.

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

Ethyl alcohol cannot be produced

Haemoglobin is a/an

Esterification reaction produces

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

Favourable conditions for the liquefaction of gases in general are

Deacon's method is used for the manufacture of

Also checkout

Pasteurisation of milk means

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Shaving soaps are

Commercial production of calcium carbide requires limestone and __________ as raw materials.

Lime and soda ash are added to water to remove

Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the __________ process.

__________ is a polysaccharide.

Most widely and commonly used coagulant for the removal of suspended impurities in water is

Sea water contains about __________ ppm of bromine.

Naphthols are derivates of

Fourdrinier machine is used in the manufacture of

A bio-catalyst produced by living cells which acts independent of the cell is called a/an

Process conditions in fermentator used for production of penicillin is

Zeolite is used in the

Polymerisation product of C2F4 (carbon tetrafluoride) is called P.T.F.E (poly chloro tetra fluoro ethylene). It is also called

In the manufacture of H2SO4, vanadium catalyst as compared to platinum catalyst

Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent.

Cellulose percentage in bamboo fibre is about

The major constituents of glass are

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

Absorption of SO3 in 97% H2SO4 is

Which of the following is not present in bagasse fibre?

Esterification reaction

Flash point of most vegetable oils is about __________ °C.

Massecuite is a terminology used in the __________ industry.

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

Ethyl alcohol cannot be produced

Haemoglobin is a/an

Esterification reaction produces

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

Favourable conditions for the liquefaction of gases in general are

Deacon's method is used for the manufacture of

Also checkout

In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst