Rancidity of the fatty oil can be reduced by its

Question

Rancidity of the fatty oil can be reduced by its

A. Decoloration

B. Hydrogenation

C. Oxidation

D. Purification

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Comment

Pick out the wrong statement.

A. Azoic dyes are mostly applied on cotton fabrics

B. Basic dyes (e.g. amino derivatives) are applied mostly to paper

C. Mordant dyes are applied mainly to wools

D. None of these

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Phenolic antiseptics are added in the __________ soap.

A. Shaving

B. Medicated

C. Metallic

D. Transparent

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Lurgi coal gasifier is a pressurised __________ bed reactor.

A. Moving

B. Fixed

C. Fluidised

D. Entrained

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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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Which of the following coals has the highest calorific value?

A. Lignite

B. Sub-bituminous

C. Anthracite

D. Peat

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RDX (an explosive), which is more sensitive but less toxic than TNT, is chemically

A. Cyclo trimethylene trinitramine

B. Trinitro resorcinol

C. Cyclo tetramethylene tetranitramine

D. Trinitrobenzene

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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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The main product of high temperature carbonisation of coal is

A. Coke

B. Ammonia

C. Tar

D. Phenol

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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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Main constituent of limestone is

A. CaCO₃

B. MgCO₃

C. Na₂CO₃

D. CaSO₄

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Calcination of limestone is not done in a __________ kiln for producing lime.

A. Vertical shaft

B. Rotary

C. Fluidised bed

D. Fixed bed

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A good quality coal should have

A. Low fusion point of ash

B. High ash content

C. High sulphur content

D. None of these

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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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A unit operation is exemplified by the process of

A. Reduction

B. Desorption

C. Nitration

D. Combustion

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Varnish does not contain

A. Pigment

B. Thinner

C. Dryer

D. Anti-skimming agent

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Oil is a/an

A. Mixture of glycerides

B. Mixture of glycerides of fatty acids

C. Solid at normal temperature

D. Ester of alcohols other than glycerine

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Pick out the wrong statement.

A. Fibrillation of fibre during paper manufacture is done to develop the strength in paper

B. Alkali consumption in digestion/cooking of bamboo is measured in terms of permanganate number

C. Bagasse fibre contains both lignin & cellulose

D. Presence of sodium sulphate in pulp makes the pulp bleachability poor

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Pick out the wrong statement pertaining to nitric acid.

A. About 90% of nitric acid is manufactured by Ostwald's process

B. It is a strong mono basic acid which reacts with almost all the metals except noble metals

C. Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO2)

D. Arc process of nitric acid manufacture is economical as compared to Ostwald's process

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Varnish does not contain

A. Thinner

B. Pigment

C. Both (A) & (B)

D. Neither (A) nor (B)

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Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine?

A. Na₂CO₃

B. NaHCO₃

C. H₂

D. None of these

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Thermal pyrolysis of ethylene dichloride produces

A. Trichloroethylene

B. Vinyl chloride

C. Ethanol amine

D. Ethylene oxide

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The main component of Pyrex glass is

A. Zinc

B. Lead

C. Boron

D. Selenium

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Calgon used in water treatment is chemically

A. Sodium phosphate

B. Sodium hexametaphosphate

C. Calcium phosphate

D. Tricresyl phosphate

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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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High temperature carbonisation of coal produces

A. Inferior coke compared to low temperature carbonisation

B. Less of gases compared to liquid products

C. Larger quantity of tar compared to low temperature carbonisation

D. None of these

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Industrial production of chloroform requires acetone and

A. Phosgene

B. Calcium hypochlorite

C. Chlorine

D. Ammonium chloride

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Pick out the true statement pertaining to water treatment.

A. Slow sand filters can remove colour completely

B. Activated carbon can be used for taste & odour control without subsequent filtration

C. Application of activated carbon reduces the temporary hardness of water

D. Normally, the turbidity is removed by adding a coagulant prior to sedimentation

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CaSO4 . ½H₂O is known as

A. Blue vitriol

B. Plaster of Paris

C. Gypsum

D. Zeolite

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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

Discuss this answer

__________ Nature of hypo (sodium thiosulphate) makes it useful in photography.

A. Oxidising

B. Reducing

C. Complex forming

D. Photochemical

Discuss this answer

Accepted Answer

B. Hydrogenation

Rancidity of the fatty oil can be reduced by its

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Pick out the wrong statement.

Phenolic antiseptics are added in the __________ soap.

Lurgi coal gasifier is a pressurised __________ bed reactor.

Oxygen is produced by fractionation of air using __________ process.

Which of the following coals has the highest calorific value?

RDX (an explosive), which is more sensitive but less toxic than TNT, is chemically

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

The main product of high temperature carbonisation of coal is

Phthalic anhydride is made by the

Main constituent of limestone is

Calcination of limestone is not done in a __________ kiln for producing lime.

A good quality coal should have

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

A unit operation is exemplified by the process of

Varnish does not contain

Oil is a/an

Pick out the wrong statement.

Pick out the wrong statement pertaining to nitric acid.

Varnish does not contain

Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine?

Thermal pyrolysis of ethylene dichloride produces

The main component of Pyrex glass is

Calgon used in water treatment is chemically

Styrene is produced from ethyl benzene by the process of

High temperature carbonisation of coal produces

Industrial production of chloroform requires acetone and

Pick out the true statement pertaining to water treatment.

CaSO4 . ½H₂O is known as

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

__________ Nature of hypo (sodium thiosulphate) makes it useful in photography.

Also checkout

Rancidity of the fatty oil can be reduced by its

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Pick out the wrong statement.

Phenolic antiseptics are added in the __________ soap.

Lurgi coal gasifier is a pressurised __________ bed reactor.

Oxygen is produced by fractionation of air using __________ process.

Which of the following coals has the highest calorific value?

RDX (an explosive), which is more sensitive but less toxic than TNT, is chemically

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

The main product of high temperature carbonisation of coal is

Phthalic anhydride is made by the

Main constituent of limestone is

Calcination of limestone is not done in a __________ kiln for producing lime.

A good quality coal should have

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

A unit operation is exemplified by the process of

Varnish does not contain

Oil is a/an

Pick out the wrong statement.

Pick out the wrong statement pertaining to nitric acid.

Varnish does not contain

Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine?

Thermal pyrolysis of ethylene dichloride produces

The main component of Pyrex glass is

Calgon used in water treatment is chemically

Styrene is produced from ethyl benzene by the process of

High temperature carbonisation of coal produces

Industrial production of chloroform requires acetone and

Pick out the true statement pertaining to water treatment.

CaSO4 . ½H2O is known as

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

__________ Nature of hypo (sodium thiosulphate) makes it useful in photography.

Also checkout

CaSO4 . ½H₂O is known as