Saponification value/number of an oil or fat is a measure of its

Question

Saponification value/number of an oil or fat is a measure of its

A. Fatty acid content

B. Degree of unsaturation of the fatty acids present in it

C. Average molecular weight

D. Insoluble fatty acid content

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Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as __________ oil.

A. Drying

B. Semi-drying

C. Non-drying

D. None of these

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Silicone is a/an

A. Thermoplastic

B. Inorganic polymer

C. Monomer

D. None of these

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'Hollander beater' machine used in the paper manufacturing plant does not accomplish the task of

A. Final rolling out of paper

B. Cutting of fibres

C. Hydration of fibres

D. Fibrillation of fibre

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Styrene-butadiene-rubber (SBR) as compared to natural rubber has

A. Poorer tensile strength

B. Poorer resistance to oxidation

C. Greater amount of heat build-up under heavy loading

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

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Which of the following is not an insecticide?

A. Hydrocyanic acid

B. Nicotine

C. Sodium fluoride

D. Hexane

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__________ process is used for the commercial production of nitric acid by the catalytic oxidation of ammonia.

A. Solvay

B. Ostwald's

C. Haber's

D. None of these

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The manufacture of Kraft pulp is done by a/an __________ process.

A. Alkaline

B. Acidic

C. Neutral

D. None of these

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Na2CO3 is called

A. Washing soda

B. Soda ash

C. Plaster of Paris

D. Calcite

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Phthalic anhydride is made by the

A. Oxidation of naphthalene

B. Oxidation of benzene

C. Dehydrogenation of ethyl benzene

D. None of these

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Fatty material used in soap making is

A. Fatty acid

B. Fatty alcohols

C. Tallow

D. Detergents

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The gasification reaction represented by, C + H₂O = CO + H₂, is a/an __________ reaction.

A. Exothermic

B. Endothermic

C. Catalytic

D. Autocatalytic

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Production of one ton of dry paper pulp requires about __________ tons of bamboo or wood.

A. 1

B. 2.5

C. 5

D. 10

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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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Zeolite used in water softening process (cation exchange) is regenerated by washing with

A. Brine

B. Chloramines

C. Sodium bisulphite

D. Liquid chlorines

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Catalytic oxidation of toluene produces

A. Styrene

B. Phenol

C. Benzene

D. Tri-nitro-toluene

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The major constituent of black liquor generated during paper manufacture is sodium

A. Sulphate

B. Carbonate

C. Hydroxide

D. Bi-carbonate

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

A. 300

B. 1100

C. 700

D. 900

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Styrene is produced from ethyl benzene by the process of

A. Dehydrogenation

B. Oxidation

C. Alkylation

D. Dehydration

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Na₂CO₃.10H₂O is called

A. Washing soda

B. Soda ash

C. Slaked lime

D. Quicklime

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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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Which of the following is a detergent?

A. Benzene hexachloride

B. Alkyl benzene sulphonate

C. Polytetrafluoroethylene

D. Cellulose nitrate

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How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln?

A. 500°C

B. 750°C

C. 1000°C

D. 1500°C

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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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Hydrochloric acid is also known as

A. Oil of vitriol

B. Muriatic acid

C. Strong organic acid

D. Green acid

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A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.).

A. 1

B. 10

C. 25

D. 40

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Sea water contains about __________ ppm of bromine.

A. 5

B. 70

C. 500

D. 1700

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Percentage of glycerine present in the spent lye obtained during soap manufacture is about

A. 0.5

B. 5

C. 20

D. 35

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The most commonly used substance to speed up the sedimentation of sewage is

A. Lime

B. Sulphuric acid

C. Chlorine

D. Sodium bisulphite

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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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Main constituents of natural rubber is

A. Polystyrene

B. Polyisoprene

C. Polybutadiene

D. Polychlorophrene

Discuss this answer

Accepted Answer

C. Average molecular weight

Saponification value/number of an oil or fat is a measure of its

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as __________ oil.

Silicone is a/an

'Hollander beater' machine used in the paper manufacturing plant does not accomplish the task of

Styrene-butadiene-rubber (SBR) as compared to natural rubber has

Which of the following is not an insecticide?

__________ process is used for the commercial production of nitric acid by the catalytic oxidation of ammonia.

The manufacture of Kraft pulp is done by a/an __________ process.

Na2CO3 is called

Phthalic anhydride is made by the

Fatty material used in soap making is

The gasification reaction represented by, C + H₂O = CO + H₂, is a/an __________ reaction.

Production of one ton of dry paper pulp requires about __________ tons of bamboo or wood.

The major constituents of glass are

Zeolite used in water softening process (cation exchange) is regenerated by washing with

Catalytic oxidation of toluene produces

The major constituent of black liquor generated during paper manufacture is sodium

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

Styrene is produced from ethyl benzene by the process of

Na₂CO₃.10H₂O is called

Function of thinner in a paint is to

Which of the following is a detergent?

How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln?

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

Hydrochloric acid is also known as

A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.).

Sea water contains about __________ ppm of bromine.

Percentage of glycerine present in the spent lye obtained during soap manufacture is about

The most commonly used substance to speed up the sedimentation of sewage is

Carboxymethyl cellulose (CMC) is added in detergents to

Main constituents of natural rubber is

Also checkout

Saponification value/number of an oil or fat is a measure of its

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as __________ oil.

Silicone is a/an

'Hollander beater' machine used in the paper manufacturing plant does not accomplish the task of

Styrene-butadiene-rubber (SBR) as compared to natural rubber has

Which of the following is not an insecticide?

__________ process is used for the commercial production of nitric acid by the catalytic oxidation of ammonia.

The manufacture of Kraft pulp is done by a/an __________ process.

Na2CO3 is called

Phthalic anhydride is made by the

Fatty material used in soap making is

The gasification reaction represented by, C + H2O = CO + H2, is a/an __________ reaction.

Production of one ton of dry paper pulp requires about __________ tons of bamboo or wood.

The major constituents of glass are

Zeolite used in water softening process (cation exchange) is regenerated by washing with

Catalytic oxidation of toluene produces

The major constituent of black liquor generated during paper manufacture is sodium

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

Styrene is produced from ethyl benzene by the process of

Na2CO3.10H2O is called

Function of thinner in a paint is to

Which of the following is a detergent?

How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln?

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

Hydrochloric acid is also known as

A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.).

Sea water contains about __________ ppm of bromine.

Percentage of glycerine present in the spent lye obtained during soap manufacture is about

The most commonly used substance to speed up the sedimentation of sewage is

Carboxymethyl cellulose (CMC) is added in detergents to

Main constituents of natural rubber is

Also checkout

The gasification reaction represented by, C + H₂O = CO + H₂, is a/an __________ reaction.

Na₂CO₃.10H₂O is called