Vanillin is a type of

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Vanillin is a type of

A. Anti-pyretic drug

B. Food preservative

C. Flavour

D. Dye

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The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is

A. Dilute H₂SO₄

B. Oleum

C. Ultraviolet light

D. None of these

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Ordinary glass is not a/an

A. Amorphous isotropic material

B. Supercooled liquid

C. Material with sharp definite melting point

D. Electrical insulator

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__________ is used as a catalyst in fat splitting.

A. ZnO

B. Ni

C. V₂O₅

D. FeO

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In Kraft process of paper manufacture, white cooking liquor consists of caustic soda

A. Sodium sulphide & sodium carbonate

B. Sodium sulphite & sodium carbonate

C. Sodium sulphite & sodium sulphide

D. None of these

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Dehydrogenation of Isopropanol produces

A. Propyl alcohol

B. Acetone

C. Trichloroethylene

D. Formaldehyde

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Coal tar is used as a

A. Binding material for coal briquettes

B. Fuel in rotary kiln

C. Binder in making carbon electrodes

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

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Carbon tetrachloride (CCl₄) is the starting raw material for the manufacture of

A. Trichloroethylene

B. Perchloroethylene

C. Parathion

D. Methanol

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Alum is commercially produced from

A. Gypsum

B. Feldspar

C. Galena

D. Bauxite

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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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White phosphorous is stored under water, because

A. It does not react with water

B. It is poisonous

C. Its kindling temperature in dry air is very low

D. It is unstable

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During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as

A. It is very corrosive at elevated temperature

B. Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced)

C. It decomposes on further increasing the temperature

D. None of these

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__________ paper is used in the manufacture of newsprint paper.

A. Ground-wood

B. Board

C. Tissue

D. Wrapping

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SO2 is bubbled through hot sugar cane juice to

A. Act as an acidifying agent

B. Increase its concentration

C. Increase the amount of molasses

D. Increase the crystal size

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Phenol formaldehyde

A. Employs addition polymerisation

B. Employs condensation polymerisation

C. Is a monomer

D. Is an abrasive material

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Widely used method for the conditioning of boiler feed water is the

A. Cold lime process

B. Coagulation

C. Hot-lime soda process

D. Sequestration

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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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Nitric acid is not used in the manufacture of

A. Detergents

B. Fertilisers

C. Aqua regia

D. Explosives

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__________ is obtained as a by-product in the manufacture of sodium hydroxide using brine.

A. Chlorine

B. Ammonium chloride

C. Sodium carbonate

D. Sodium bi-carbonate

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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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Chloramines are used in water treatment for

A. Disinfection and control of taste & odour

B. Corrosion control

C. Removing turbidity

D. Control of bacteria

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Fusel oil is a/an

A. Essential oil

B. Extract from medicinal herbs

C. Mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses).

D. None of these

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__________ is produced by the dehydrogenation of ethyl benzene.

A. Styrene

B. Ethyl alcohol

C. Cumene

D. Phenol

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Isopropyl benzene produced by alkylation of benzene with propylene is known as

A. Neoprene

B. Cumene

C. Gelatin

D. Mercaptans

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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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Antibiotic

A. Inhibits/destroys the growth of microorganisms

B. Is used as a pain reliever

C. Is an antimalarial

D. Is an anaesthetic

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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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Enzymes are

A. Proteins with high molecular weight (around 10,000)

B. Derived from living organisms

C. Catalyst for temperature sensitive reactions

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

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Wet chlorine gas produced during electrolysis of brine is dehydrated by

A. Spraying 66° Be H2SO4 counter current to the flow of the gas

B. Passing it through a bed of diatomaceous earth

C. Passing it through a bed of silica gel

D. None of these

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Refractory bricks burnt at very high temperature have got

A. Greater resistance to corrosion by slags

B. Less resistance to corrosion by slags

C. High spalling tendency

D. None of these

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Acetone is produced by catalytic dehydrogenation of

A. Phenol

B. Naphthalene

C. Isopropanol

D. Ethyl benzene

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Accepted Answer

C. Flavour

Vanillin is a type of

Correct Answer :

Show all Chemical Process MCQ

Related Questions

The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is

Ordinary glass is not a/an

__________ is used as a catalyst in fat splitting.

In Kraft process of paper manufacture, white cooking liquor consists of caustic soda

Dehydrogenation of Isopropanol produces

Coal tar is used as a

Carbon tetrachloride (CCl₄) is the starting raw material for the manufacture of

Alum is commercially produced from

Varnish does not contain

White phosphorous is stored under water, because

During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as

__________ paper is used in the manufacture of newsprint paper.

SO2 is bubbled through hot sugar cane juice to

Phenol formaldehyde

Widely used method for the conditioning of boiler feed water is the

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

Nitric acid is not used in the manufacture of

__________ is obtained as a by-product in the manufacture of sodium hydroxide using brine.

Function of thinner in a paint is to

Chloramines are used in water treatment for

Fusel oil is a/an

__________ is produced by the dehydrogenation of ethyl benzene.

Isopropyl benzene produced by alkylation of benzene with propylene is known as

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

Antibiotic

The difference between saponification value and acid value is

Enzymes are

Wet chlorine gas produced during electrolysis of brine is dehydrated by

Refractory bricks burnt at very high temperature have got

Acetone is produced by catalytic dehydrogenation of

Also checkout

Vanillin is a type of

Correct Answer :

Show all Chemical Process MCQ

Related Questions

The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is

Ordinary glass is not a/an

__________ is used as a catalyst in fat splitting.

In Kraft process of paper manufacture, white cooking liquor consists of caustic soda

Dehydrogenation of Isopropanol produces

Coal tar is used as a

Carbon tetrachloride (CCl4) is the starting raw material for the manufacture of

Alum is commercially produced from

Varnish does not contain

White phosphorous is stored under water, because

During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as

__________ paper is used in the manufacture of newsprint paper.

SO2 is bubbled through hot sugar cane juice to

Phenol formaldehyde

Widely used method for the conditioning of boiler feed water is the

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

Nitric acid is not used in the manufacture of

__________ is obtained as a by-product in the manufacture of sodium hydroxide using brine.

Function of thinner in a paint is to

Chloramines are used in water treatment for

Fusel oil is a/an

__________ is produced by the dehydrogenation of ethyl benzene.

Isopropyl benzene produced by alkylation of benzene with propylene is known as

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

Antibiotic

The difference between saponification value and acid value is

Enzymes are

Wet chlorine gas produced during electrolysis of brine is dehydrated by

Refractory bricks burnt at very high temperature have got

Acetone is produced by catalytic dehydrogenation of

Also checkout

Carbon tetrachloride (CCl₄) is the starting raw material for the manufacture of