Portland cement consists mainly of

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Portland cement consists mainly of

A. CaO & SiO₂

B. SiO₂ & Al₂O₃

C. CaO & Al₂O₃

D. CaO & Fe₂O₃

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Contact process of sulphuric acid manufacture

A. Yields acid of higher concentration than chamber process

B. Yields acids of lower concentration than chamber process

C. Is obsolete

D. Eliminates absorber

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Sodium salt of higher molecular weight fatty acid is termed as the __________ soap.

A. Hard

B. Soft

C. Metallic

D. Lubricating

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Main constituent of limestone is

A. CaCO₃

B. MgCO₃

C. Na₂CO₃

D. CaSO₄

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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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__________ is the major constituent of the Portland cement.

A. Calcium carbonate

B. Calcium oxide

C. Tricalcium silicate

D. Calcium sulphate

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Silicone is a/an

A. Thermoplastic

B. Inorganic polymer

C. Monomer

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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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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CaO is called

A. Quick lime

B. Slaked lime

C. Limestone

D. Calcite

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Solvay process as compared to dual process
(i.e. modified Solvay process).

A. Can use low grade brine

B. Has less corrosion problems

C. Involves higher investment in NH3 recovery units than that for crystallisation units for NH4Cl

D. Both (B) and (C)

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For the hydrogenation of oils, (i) is commonly used as catalyst and (ii) is a catalyst poison.

A. (i) platinum (ii) sulphur

B. (i) palladium (ii) oxygen

C. (i) nickel (ii) sulphur

D. (i) nickel (ii) oxygen

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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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Penicillin is separated from fermented broth by

A. Extraction with amyl or butyl acetate

B. Ternary Azeotropic distillation

C. Evaporator in calandria

D. Extractive distillation

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The noble gas which occurs most abundantly in the atmosphere is

A. Helium

B. Neon

C. Krypton

D. Argon

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Varnish does not contain

A. Pigment

B. Thinner

C. Dryer

D. Anti-skimming agent

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Cation exchanger is regenerated usually with

A. NaOH

B. H₂SO₄

C. Hydrazine

D. Alum solution

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In industrial nomenclature, alcohol means

A. Butyl alcohol

B. Propyl alcohol

C. Ethanol

D. Methyl alcohol

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Hydrogenation of oil takes place in a/an __________ reactor.

A. Autothermal

B. Trickle bed

C. Plug flow

D. None of these

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Synthetic glycerine is produced from

A. Toluene

B. Phenol

C. Propylene

D. Naphthalene

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Polyvinyl chloride (PVC) is

A. A thermosetting material

B. A condensation polymerisation product

C. Made by employing emulsion polymerisation

D. None of these

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Pick out the wrong statement.

A. Hard glass which is used for making laboratory glass wares is a mixture of sodium borosilicate and aluminium borosilicate

B. Glass is decolorized during its manufacture by adding antimony oxide, manganese dioxide or arsenic oxide

C. Ordinary glass is represented chemically by Na₂O . CaO . 6SiO₂

D. Red color is imparted to glass by addition of arsenic oxide

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Raw materials used for producing __________ cement does not contain iron oxide.

A. Waterproof

B. Slag

C. White

D. Pozzolan

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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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Adipic acid is an intermediate in the manufacture of

A. Perspex

B. Nylon-66

C. Polystyrene

D. Bakelite

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Which of the following is not required in the manufacture of soda ash by Solvay process?

A. Ammonia

B. Limestone

C. Nitric acid

D. None of these

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The major use of butadiene is

A. As a plasticiser for unsaturated polyester

B. In the manufacture of synthetic rubber

C. As an anti-skinning agent in paint

D. None of these

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Pick out the wrong statement.

A. Catalytic hydrogenation of carbon monoxide produces methyl alcohol

B. In nylon-6, the number 6 represents the total number of carbon atoms in the ring

C. Raw materials for DDT manufacture are benzene and chlorine

D. Ethanolamines are produced by using ammonia and ethylene oxide as raw material

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Fumigant insecticides

A. Kill insects, when they eat it

B. Emit poisonous vapour

C. Are absorbed throughout the plant

D. None of these

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In contact process, SO₃ is absorbed in 97% H₂SO₄ and not in water, because

A. SO₃ gas is sparingly soluble in water

B. Water forms an acid mist, which is difficult to absorb

C. The purity of acid is affected

D. Scale formation in the absorber is to be avoided

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Catalyst used in the hydrogenation of oil is

A. Nickel

B. Platinum

C. Iron

D. Alumina

Discuss this answer

Accepted Answer

A. CaO & SiO₂

Portland cement consists mainly of

Correct Answer :

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Related Questions

Contact process of sulphuric acid manufacture

Sodium salt of higher molecular weight fatty acid is termed as the __________ soap.

Main constituent of limestone is

The main product of high temperature carbonisation of coal is

__________ is the major constituent of the Portland cement.

Silicone is a/an

__________ is produced by the dehydrogenation of ethyl benzene.

The difference between saponification value and acid value is

CaO is called

Solvay process as compared to dual process
(i.e. modified Solvay process).

For the hydrogenation of oils, (i) is commonly used as catalyst and (ii) is a catalyst poison.

White phosphorous is stored under water, because

Penicillin is separated from fermented broth by

The noble gas which occurs most abundantly in the atmosphere is

Varnish does not contain

Cation exchanger is regenerated usually with

In industrial nomenclature, alcohol means

Hydrogenation of oil takes place in a/an __________ reactor.

Synthetic glycerine is produced from

Polyvinyl chloride (PVC) is

Pick out the wrong statement.

Raw materials used for producing __________ cement does not contain iron oxide.

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

Adipic acid is an intermediate in the manufacture of

Which of the following is not required in the manufacture of soda ash by Solvay process?

The major use of butadiene is

Pick out the wrong statement.

Fumigant insecticides

In contact process, SO₃ is absorbed in 97% H₂SO₄ and not in water, because

Catalyst used in the hydrogenation of oil is

Also checkout

Portland cement consists mainly of

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Contact process of sulphuric acid manufacture

Sodium salt of higher molecular weight fatty acid is termed as the __________ soap.

Main constituent of limestone is

The main product of high temperature carbonisation of coal is

__________ is the major constituent of the Portland cement.

Silicone is a/an

__________ is produced by the dehydrogenation of ethyl benzene.

The difference between saponification value and acid value is

CaO is called

Solvay process as compared to dual process(i.e. modified Solvay process).

For the hydrogenation of oils, __________ (i) __________ is commonly used as catalyst and __________ (ii) __________ is a catalyst poison.

White phosphorous is stored under water, because

Penicillin is separated from fermented broth by

The noble gas which occurs most abundantly in the atmosphere is

Varnish does not contain

Cation exchanger is regenerated usually with

In industrial nomenclature, alcohol means

Hydrogenation of oil takes place in a/an __________ reactor.

Synthetic glycerine is produced from

Polyvinyl chloride (PVC) is

Pick out the wrong statement.

Raw materials used for producing __________ cement does not contain iron oxide.

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

Adipic acid is an intermediate in the manufacture of

Which of the following is not required in the manufacture of soda ash by Solvay process?

The major use of butadiene is

Pick out the wrong statement.

Fumigant insecticides

In contact process, SO3 is absorbed in 97% H2SO4 and not in water, because

Catalyst used in the hydrogenation of oil is

Also checkout

Solvay process as compared to dual process
(i.e. modified Solvay process).

For the hydrogenation of oils, (i) is commonly used as catalyst and (ii) is a catalyst poison.

In contact process, SO₃ is absorbed in 97% H₂SO₄ and not in water, because